225127055475 has 36 divisors (see below), whose sum is σ = 460831512336. Its totient is φ = 102915224640.

The previous prime is 225127055459. The next prime is 225127055501. The reversal of 225127055475 is 574550721522.

225127055475 is a `hidden beast` number, since 2 + 2 + 5 + 1 + 27 + 0 + 554 + 75 = 666.

It is not a de Polignac number, because 225127055475 - 2⁴ = 225127055459 is a prime.

It is a super-2 number, since 2×225127055475² (a number of 24 digits) contains 22 as substring.

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 225127055475.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 71467332 + ... + 71470481.

Almost surely, 2^225127055475 is an apocalyptic number.

225127055475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

225127055475 is an abundant number, since it is smaller than the sum of its proper divisors (235704456861).

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

225127055475 is a wasteful number, since it uses less digits than its factorization.

225127055475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142937836 (or 142937828 counting only the distinct ones).

The product of its (nonzero) digits is 980000, while the sum is 45.

Adding to 225127055475 its reverse (574550721522), we get a palindrome (799677776997).

The spelling of 225127055475 in words is "two hundred twenty-five billion, one hundred twenty-seven million, fifty-five thousand, four hundred seventy-five".