225656210475 has 48 divisors (see below), whose sum is σ = 415052229600. Its totient is φ = 120200924160.

The previous prime is 225656210453. The next prime is 225656210489. The reversal of 225656210475 is 574012656522.

225656210475 is a `hidden beast` number, since 2 + 2 + 5 + 6 + 562 + 10 + 4 + 75 = 666.

It is not a de Polignac number, because 225656210475 - 2⁹ = 225656209963 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 225656210475.

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, 339459 + ... + 752691.

It is an arithmetic number, because the mean of its divisors is an integer number (8646921450).

Almost surely, 2^225656210475 is an apocalyptic number.

225656210475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

225656210475 is a deficient number, since it is larger than the sum of its proper divisors (189396019125).

225656210475 is a wasteful number, since it uses less digits than its factorization.

225656210475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414061 (or 414050 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 45.

Adding to 225656210475 its reverse (574012656522), we get a palindrome (799668866997).

The spelling of 225656210475 in words is "two hundred twenty-five billion, six hundred fifty-six million, two hundred ten thousand, four hundred seventy-five".