22222065562625 has 32 divisors (see below), whose sum is σ = 27990056608800. Its totient is φ = 17612989920000.

The previous prime is 22222065562607. The next prime is 22222065562637. The reversal of 22222065562625 is 52626556022222.

It can be written as a sum of positive squares in 16 ways, for example, as 14273314224016 + 7948751338609 = 3778004^2 + 2819353^2 .

It is not a de Polignac number, because 22222065562625 - 2³⁶ = 22153346085889 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22222065562625.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 167534831 + ... + 167667419.

It is an arithmetic number, because the mean of its divisors is an integer number (874689269025).

Almost surely, 2^{22222065562625} is an apocalyptic number.

22222065562625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22222065562625 is a deficient number, since it is larger than the sum of its proper divisors (5767991046175).

22222065562625 is a wasteful number, since it uses less digits than its factorization.

22222065562625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145014 (or 145004 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 47.

The spelling of 22222065562625 in words is "twenty-two trillion, two hundred twenty-two billion, sixty-five million, five hundred sixty-two thousand, six hundred twenty-five".