22016444552525 has 12 divisors (see below), whose sum is σ = 28487364778272. Its totient is φ = 16847366265840.

The previous prime is 22016444552507. The next prime is 22016444552527. The reversal of 22016444552525 is 52525544461022.

It is a de Polignac number, because none of the positive numbers 2^k-22016444552525 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22016444552525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22016444552527) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19144733819 + ... + 19144734968.

It is an arithmetic number, because the mean of its divisors is an integer number (2373947064856).

Almost surely, 2^{22016444552525} is an apocalyptic number.

22016444552525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22016444552525 is a deficient number, since it is larger than the sum of its proper divisors (6470920225747).

22016444552525 is a wasteful number, since it uses less digits than its factorization.

22016444552525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38289468820 (or 38289468815 counting only the distinct ones).

The product of its (nonzero) digits is 3840000, while the sum is 47.

The spelling of 22016444552525 in words is "twenty-two trillion, sixteen billion, four hundred forty-four million, five hundred fifty-two thousand, five hundred twenty-five".