[go: up one dir, main page]

Search a number
-
+
2222532140 = 225111126607
BaseRepresentation
bin1000010001111001…
…0010011000101100
312201220002022221012
42010132102120230
514022432012030
61004312324352
7106035132353
oct20436223054
95656068835
102222532140
11a4061a324
125203a36b8
132955c049a
1417126499a
15d01bd095
hex8479262c

2222532140 has 12 divisors (see below), whose sum is σ = 4667317536. Its totient is φ = 889012848.

The previous prime is 2222532139. The next prime is 2222532149. The reversal of 2222532140 is 412352222.

It is a super-2 number, since 2×22225321402 = 9879298226665959200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2222532149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55563284 + ... + 55563323.

It is an arithmetic number, because the mean of its divisors is an integer number (388943128).

Almost surely, 22222532140 is an apocalyptic number.

2222532140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222532140 is an abundant number, since it is smaller than the sum of its proper divisors (2444785396).

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

2222532140 is a wasteful number, since it uses less digits than its factorization.

2222532140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111126616 (or 111126614 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 2222532140 is about 47143.7391389355. The cubic root of 2222532140 is about 1305.0165419237.

Adding to 2222532140 its reverse (412352222), we get a palindrome (2634884362).

The spelling of 2222532140 in words is "two billion, two hundred twenty-two million, five hundred thirty-two thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 111126607 222253214 444506428 555633035 1111266070 2222532140