225922555 has 16 divisors (see below), whose sum is σ = 279892800. Its totient is φ = 174932352.

The previous prime is 225922549. The next prime is 225922573. The reversal of 225922555 is 555229522.

It is a cyclic number.

It is not a de Polignac number, because 225922555 - 2³ = 225922547 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33346 + ... + 39544.

It is an arithmetic number, because the mean of its divisors is an integer number (17493300).

Almost surely, 2^225922555 is an apocalyptic number.

225922555 is a deficient number, since it is larger than the sum of its proper divisors (53970245).

225922555 is a wasteful number, since it uses less digits than its factorization.

225922555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6438.

The product of its digits is 90000, while the sum is 37.

The square root of 225922555 is about 15030.7203752847. The cubic root of 225922555 is about 609.0503498141.

The spelling of 225922555 in words is "two hundred twenty-five million, nine hundred twenty-two thousand, five hundred fifty-five".