225655604451 has 48 divisors (see below), whose sum is σ = 343176238080. Its totient is φ = 142608533760.

The previous prime is 225655604423. The next prime is 225655604483. The reversal of 225655604451 is 154406556522.

225655604451 is a `hidden beast` number, since 2 + 2 + 5 + 6 + 556 + 0 + 44 + 51 = 666.

It is not a de Polignac number, because 225655604451 - 2⁹ = 225655603939 is a prime.

It is a super-2 number, since 2×225655604451² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 225655604397 and 225655604406.

It is not an unprimeable number, because it can be changed into a prime (225655604401) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10427995 + ... + 10449611.

It is an arithmetic number, because the mean of its divisors is an integer number (7149504960).

Almost surely, 2^225655604451 is an apocalyptic number.

225655604451 is a deficient number, since it is larger than the sum of its proper divisors (117520633629).

225655604451 is a wasteful number, since it uses less digits than its factorization.

225655604451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22096 (or 22093 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 45.

The spelling of 225655604451 in words is "two hundred twenty-five billion, six hundred fifty-five million, six hundred four thousand, four hundred fifty-one".