22554665265 has 128 divisors (see below), whose sum is σ = 41376448512. Its totient is φ = 10396235520.

The previous prime is 22554665261. The next prime is 22554665279. The reversal of 22554665265 is 56256645522.

It is a happy number.

It is not a de Polignac number, because 22554665265 - 2² = 22554665261 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22554665261) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 43125294 + ... + 43125816.

It is an arithmetic number, because the mean of its divisors is an integer number (323253504).

Almost surely, 2^22554665265 is an apocalyptic number.

It is an amenable number.

22554665265 is a deficient number, since it is larger than the sum of its proper divisors (18821783247).

22554665265 is a wasteful number, since it uses less digits than its factorization.

22554665265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739.

The product of its digits is 4320000, while the sum is 48.

The spelling of 22554665265 in words is "twenty-two billion, five hundred fifty-four million, six hundred sixty-five thousand, two hundred sixty-five".