22150495856538 has 48 divisors (see below), whose sum is σ = 55334234943936. Its totient is φ = 6272706787200.

The previous prime is 22150495856479. The next prime is 22150495856557. The reversal of 22150495856538 is 83565859405122.

It is a happy number.

22150495856538 is a `hidden beast` number, since 2 + 2 + 1 + 5 + 0 + 4 + 95 + 8 + 5 + 6 + 538 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 777851188 + ... + 777879663.

It is an arithmetic number, because the mean of its divisors is an integer number (1152796561332).

Almost surely, 2^{22150495856538} is an apocalyptic number.

22150495856538 is an abundant number, since it is smaller than the sum of its proper divisors (33183739087398).

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

22150495856538 is a wasteful number, since it uses less digits than its factorization.

22150495856538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1555730979 (or 1555730976 counting only the distinct ones).

The product of its (nonzero) digits is 103680000, while the sum is 63.

The spelling of 22150495856538 in words is "twenty-two trillion, one hundred fifty billion, four hundred ninety-five million, eight hundred fifty-six thousand, five hundred thirty-eight".