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2122220010 = 2351931120103
BaseRepresentation
bin111111001111110…
…1000000111101010
312110220022221120010
41332133220013222
513321242020020
6550330312350
7103406400231
oct17637500752
95426287503
102122220010
11999a35339
124b28886b6
1327a89a8b1
14161bd1b18
15c64a5de0
hex7e7e81ea

2122220010 has 64 divisors (see below), whose sum is σ = 5534392320. Its totient is φ = 518840640.

The previous prime is 2122220003. The next prime is 2122220047. The reversal of 2122220010 is 100222212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42382 + ... + 77721.

It is an arithmetic number, because the mean of its divisors is an integer number (86474880).

Almost surely, 22122220010 is an apocalyptic number.

2122220010 is an abundant number, since it is smaller than the sum of its proper divisors (3412172310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2122220010 is a wasteful number, since it uses less digits than its factorization.

2122220010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120163.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2122220010 is about 46067.5591929939. The cubic root of 2122220010 is about 1285.0799124653.

Adding to 2122220010 its reverse (100222212), we get a palindrome (2222442222).

It can be divided in two parts, 212 and 2220010, that added together give a palindrome (2220222).

The spelling of 2122220010 in words is "two billion, one hundred twenty-two million, two hundred twenty thousand, ten".

Divisors: 1 2 3 5 6 10 15 19 30 31 38 57 62 93 95 114 155 186 190 285 310 465 570 589 930 1178 1767 2945 3534 5890 8835 17670 120103 240206 360309 600515 720618 1201030 1801545 2281957 3603090 3723193 4563914 6845871 7446386 11169579 11409785 13691742 18615965 22339158 22819570 34229355 37231930 55847895 68458710 70740667 111695790 141481334 212222001 353703335 424444002 707406670 1061110005 2122220010