225677655 has 48 divisors (see below), whose sum is σ = 454671360. Its totient is φ = 101409984.

The previous prime is 225677629. The next prime is 225677671. The reversal of 225677655 is 556776522.

225677655 is a `hidden beast` number, since 22 + 567 + 7 + 65 + 5 = 666.

It is not a de Polignac number, because 225677655 - 2⁷ = 225677527 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 225677655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12514 + ... + 24656.

It is an arithmetic number, because the mean of its divisors is an integer number (9472320).

Almost surely, 2^225677655 is an apocalyptic number.

225677655 is an abundant number, since it is smaller than the sum of its proper divisors (228993705).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225677655 is a wasteful number, since it uses less digits than its factorization.

225677655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12220 (or 12217 counting only the distinct ones).

The product of its digits is 882000, while the sum is 45.

The square root of 225677655 is about 15022.5715175532. The cubic root of 225677655 is about 608.8302000991.

The spelling of 225677655 in words is "two hundred twenty-five million, six hundred seventy-seven thousand, six hundred fifty-five".