425225404224 has 84 divisors (see below), whose sum is σ = 1290527864964. Its totient is φ = 133404045312.

The previous prime is 425225404181. The next prime is 425225404229. The reversal of 425225404224 is 422404522524.

425225404224 is a `hidden beast` number, since 4 + 2 + 5 + 2 + 25 + 404 + 224 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 124298553600 + 300926850624 = 352560^2 + 548568^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425225404229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21703107 + ... + 21722690.

Almost surely, 2^425225404224 is an apocalyptic number.

It is an amenable number.

425225404224 is an abundant number, since it is smaller than the sum of its proper divisors (865302460740).

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

425225404224 is a wasteful number, since it uses less digits than its factorization.

425225404224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43425832 (or 43425819 counting only the distinct ones).

The product of its (nonzero) digits is 204800, while the sum is 36.

Adding to 425225404224 its reverse (422404522524), we get a palindrome (847629926748).

The spelling of 425225404224 in words is "four hundred twenty-five billion, two hundred twenty-five million, four hundred four thousand, two hundred twenty-four".