225662634655 has 4 divisors (see below), whose sum is σ = 270795161592. Its totient is φ = 180530107720.

The previous prime is 225662634641. The next prime is 225662634667. The reversal of 225662634655 is 556436266522.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 225662634655 - 2⁵ = 225662634623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22566263461 + ... + 22566263470.

It is an arithmetic number, because the mean of its divisors is an integer number (67698790398).

Almost surely, 2^225662634655 is an apocalyptic number.

225662634655 is a deficient number, since it is larger than the sum of its proper divisors (45132526937).

225662634655 is an equidigital number, since it uses as much as digits as its factorization.

225662634655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45132526936.

The product of its digits is 15552000, while the sum is 52.

The spelling of 225662634655 in words is "two hundred twenty-five billion, six hundred sixty-two million, six hundred thirty-four thousand, six hundred fifty-five".