22653287225 has 12 divisors (see below), whose sum is σ = 29568501840. Its totient is φ = 17168806800.

The previous prime is 22653287203. The next prime is 22653287227. The reversal of 22653287225 is 52278235622.

It is a de Polignac number, because none of the positive numbers 2^k-22653287225 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22653287227) 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, 23845091 + ... + 23846040.

It is an arithmetic number, because the mean of its divisors is an integer number (2464041820).

Almost surely, 2^22653287225 is an apocalyptic number.

22653287225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22653287225 is a deficient number, since it is larger than the sum of its proper divisors (6915214615).

22653287225 is a wasteful number, since it uses less digits than its factorization.

22653287225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47691160 (or 47691155 counting only the distinct ones).

The product of its digits is 806400, while the sum is 44.

The spelling of 22653287225 in words is "twenty-two billion, six hundred fifty-three million, two hundred eighty-seven thousand, two hundred twenty-five".