225238576620 has 96 divisors (see below), whose sum is σ = 651768223680. Its totient is φ = 58080010240.

The previous prime is 225238576583. The next prime is 225238576631. The reversal of 225238576620 is 26675832522.

It is a super-2 number, since 2×225238576620² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 225238576620.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 127155 + ... + 683114.

It is an arithmetic number, because the mean of its divisors is an integer number (6789252330).

Almost surely, 2^225238576620 is an apocalyptic number.

225238576620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225238576620 is an abundant number, since it is smaller than the sum of its proper divisors (426529647060).

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

225238576620 is a wasteful number, since it uses less digits than its factorization.

225238576620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810435 (or 810433 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 48.

The spelling of 225238576620 in words is "two hundred twenty-five billion, two hundred thirty-eight million, five hundred seventy-six thousand, six hundred twenty".