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2121223214 = 21196419237
BaseRepresentation
bin111111001101111…
…0100110000101110
312110211110022012202
41332123310300232
513321013120324
6550253101502
7103365046145
oct17633646056
95424408182
102121223214
11999414440
124b2487892
1327a60bc86
14161a1275c
15c635a8ae
hex7e6f4c2e

2121223214 has 8 divisors (see below), whose sum is σ = 3471092568. Its totient is φ = 964192360.

The previous prime is 2121223207. The next prime is 2121223219. The reversal of 2121223214 is 4123221212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×21212232142 = 8999175847224979592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121223219) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 48209597 + ... + 48209640.

It is an arithmetic number, because the mean of its divisors is an integer number (433886571).

Almost surely, 22121223214 is an apocalyptic number.

2121223214 is a deficient number, since it is larger than the sum of its proper divisors (1349869354).

2121223214 is a wasteful number, since it uses less digits than its factorization.

2121223214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96419250.

The product of its digits is 384, while the sum is 20.

The square root of 2121223214 is about 46056.7390725831. The cubic root of 2121223214 is about 1284.8786824457.

Adding to 2121223214 its reverse (4123221212), we get a palindrome (6244444426).

The spelling of 2121223214 in words is "two billion, one hundred twenty-one million, two hundred twenty-three thousand, two hundred fourteen".

Divisors: 1 2 11 22 96419237 192838474 1060611607 2121223214