22149561624 has 128 divisors (see below), whose sum is σ = 56989440000. Its totient is φ = 7171743744.

The previous prime is 22149561611. The next prime is 22149561653. The reversal of 22149561624 is 42616594122.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 46241017 + ... + 46241495.

It is an arithmetic number, because the mean of its divisors is an integer number (445230000).

Almost surely, 2^22149561624 is an apocalyptic number.

22149561624 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22149561624 is an abundant number, since it is smaller than the sum of its proper divisors (34839878376).

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

22149561624 is a wasteful number, since it uses less digits than its factorization.

22149561624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897 (or 893 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The spelling of 22149561624 in words is "twenty-two billion, one hundred forty-nine million, five hundred sixty-one thousand, six hundred twenty-four".