225625322120 has 64 divisors (see below), whose sum is σ = 553886424000. Its totient is φ = 82033895680.

The previous prime is 225625322113. The next prime is 225625322159. The reversal of 225625322120 is 21223526522.

It is a super-2 number, since 2×225625322120² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3433331 + ... + 3498429.

It is an arithmetic number, because the mean of its divisors is an integer number (8654475375).

Almost surely, 2^225625322120 is an apocalyptic number.

225625322120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225625322120 is an abundant number, since it is smaller than the sum of its proper divisors (328261101880).

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

225625322120 is a wasteful number, since it uses less digits than its factorization.

225625322120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72998 (or 72994 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 225625322120 its reverse (21223526522), we get a palindrome (246848848642).

It can be divided in two parts, 225625 and 322120, that added together give a palindrome (547745).

The spelling of 225625322120 in words is "two hundred twenty-five billion, six hundred twenty-five million, three hundred twenty-two thousand, one hundred twenty".