22649509512 has 144 divisors (see below), whose sum is σ = 75113391600. Its totient is φ = 6130676160.

The previous prime is 22649509511. The next prime is 22649509543. The reversal of 22649509512 is 21590594622.

22649509512 is a `hidden beast` number, since 22 + 64 + 9 + 50 + 9 + 512 = 666.

It is a super-2 number, since 2×22649509512² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22649509511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 101914 + ... + 235977.

It is an arithmetic number, because the mean of its divisors is an integer number (521620775).

Almost surely, 2^22649509512 is an apocalyptic number.

It is an amenable number.

22649509512 is an abundant number, since it is smaller than the sum of its proper divisors (52463882088).

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

22649509512 is a wasteful number, since it uses less digits than its factorization.

22649509512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337936 (or 337922 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The spelling of 22649509512 in words is "twenty-two billion, six hundred forty-nine million, five hundred nine thousand, five hundred twelve".