225623666527 has 12 divisors (see below), whose sum is σ = 262624620360. Its totient is φ = 193270550256.

The previous prime is 225623666503. The next prime is 225623666551. The reversal of 225623666527 is 725666326522.

It is an interprime number because it is at equal distance from previous prime (225623666503) and next prime (225623666551).

It is not a de Polignac number, because 225623666527 - 2¹⁵ = 225623633759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225623666627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1363377 + ... + 1519882.

It is an arithmetic number, because the mean of its divisors is an integer number (21885385030).

Almost surely, 2^225623666527 is an apocalyptic number.

225623666527 is a deficient number, since it is larger than the sum of its proper divisors (37000953833).

225623666527 is a wasteful number, since it uses less digits than its factorization.

225623666527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2884870 (or 2884863 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 52.

The spelling of 225623666527 in words is "two hundred twenty-five billion, six hundred twenty-three million, six hundred sixty-six thousand, five hundred twenty-seven".