22649457915 has 96 divisors (see below), whose sum is σ = 45864499200. Its totient is φ = 10335657024.

The previous prime is 22649457913. The next prime is 22649457917. The reversal of 22649457915 is 51975494622.

It is a happy number.

22649457915 is a `hidden beast` number, since 2 + 2 + 64 + 9 + 4 + 579 + 1 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (22649457913) and next prime (22649457917).

It is not a de Polignac number, because 22649457915 - 2¹ = 22649457913 is a prime.

It is a super-2 number, since 2×22649457915² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22649457913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12702114 + ... + 12703896.

It is an arithmetic number, because the mean of its divisors is an integer number (477755200).

Almost surely, 2^22649457915 is an apocalyptic number.

22649457915 is an abundant number, since it is smaller than the sum of its proper divisors (23215041285).

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

22649457915 is a wasteful number, since it uses less digits than its factorization.

22649457915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2638 (or 2621 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 54.

The spelling of 22649457915 in words is "twenty-two billion, six hundred forty-nine million, four hundred fifty-seven thousand, nine hundred fifteen".