225624031146 has 40 divisors (see below), whose sum is σ = 510039026244. Its totient is φ = 74542446720.

The previous prime is 225624031103. The next prime is 225624031159. The reversal of 225624031146 is 641130426522.

225624031146 is a `hidden beast` number, since 2 + 2 + 562 + 40 + 3 + 11 + 46 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 225139811121 + 484220025 = 474489^2 + 22005^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 225624031146.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6144265 + ... + 6180876.

Almost surely, 2^225624031146 is an apocalyptic number.

225624031146 is an abundant number, since it is smaller than the sum of its proper divisors (284414995098).

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

225624031146 is a wasteful number, since it uses less digits than its factorization.

225624031146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12325268 (or 12325259 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

Adding to 225624031146 its reverse (641130426522), we get a palindrome (866754457668).

The spelling of 225624031146 in words is "two hundred twenty-five billion, six hundred twenty-four million, thirty-one thousand, one hundred forty-six".