225022212432 has 80 divisors (see below), whose sum is σ = 648001372480. Its totient is φ = 74763036288.

The previous prime is 225022212353. The next prime is 225022212449. The reversal of 225022212432 is 234212220522.

It is a happy number.

225022212432 is a `hidden beast` number, since 2 + 2 + 5 + 0 + 2 + 221 + 2 + 432 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 225022212396 and 225022212405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 715723 + ... + 980970.

It is an arithmetic number, because the mean of its divisors is an integer number (8100017156).

Almost surely, 2^225022212432 is an apocalyptic number.

It is an amenable number.

225022212432 is an abundant number, since it is smaller than the sum of its proper divisors (422979160048).

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

225022212432 is a wasteful number, since it uses less digits than its factorization.

225022212432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1697017 (or 1697005 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 225022212432 its reverse (234212220522), we get a palindrome (459234432954).

The spelling of 225022212432 in words is "two hundred twenty-five billion, twenty-two million, two hundred twelve thousand, four hundred thirty-two".