22025623554 has 24 divisors (see below), whose sum is σ = 52060565232. Its totient is φ = 6674431320.

The previous prime is 22025623547. The next prime is 22025623577. The reversal of 22025623554 is 45532652022.

22025623554 is a `hidden beast` number, since 2 + 2 + 0 + 25 + 623 + 5 + 5 + 4 = 666.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 55620064 + ... + 55620459.

It is an arithmetic number, because the mean of its divisors is an integer number (2169190218).

Almost surely, 2^22025623554 is an apocalyptic number.

22025623554 is an abundant number, since it is smaller than the sum of its proper divisors (30034941678).

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

22025623554 is a wasteful number, since it uses less digits than its factorization.

22025623554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111240542 (or 111240539 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

The spelling of 22025623554 in words is "twenty-two billion, twenty-five million, six hundred twenty-three thousand, five hundred fifty-four".