225313352544 has 96 divisors (see below), whose sum is σ = 691659682560. Its totient is φ = 62878136832.

The previous prime is 225313352441. The next prime is 225313352609. The reversal of 225313352544 is 445253313522.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×225313352544² (a number of 24 digits) contains 22 as substring.

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, 3869799 + ... + 3927590.

It is an arithmetic number, because the mean of its divisors is an integer number (7204788360).

Almost surely, 2^225313352544 is an apocalyptic number.

225313352544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

225313352544 is an abundant number, since it is smaller than the sum of its proper divisors (466346330016).

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

225313352544 is a wasteful number, since it uses less digits than its factorization.

225313352544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7797452 (or 7797444 counting only the distinct ones).

The product of its digits is 432000, while the sum is 39.

The spelling of 225313352544 in words is "two hundred twenty-five billion, three hundred thirteen million, three hundred fifty-two thousand, five hundred forty-four".