225242343264 has 24 divisors (see below), whose sum is σ = 591261151320. Its totient is φ = 75080781056.

The previous prime is 225242343241. The next prime is 225242343323. The reversal of 225242343264 is 462343242522.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×225242343264² (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 3 ways as a sum of consecutive naturals, for example, 1173137109 + ... + 1173137300.

It is an arithmetic number, because the mean of its divisors is an integer number (24635881305).

Almost surely, 2^225242343264 is an apocalyptic number.

225242343264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

225242343264 is an abundant number, since it is smaller than the sum of its proper divisors (366018808056).

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

225242343264 is a wasteful number, since it uses less digits than its factorization.

225242343264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2346274422 (or 2346274414 counting only the distinct ones).

The product of its digits is 552960, while the sum is 39.

Adding to 225242343264 its reverse (462343242522), we get a palindrome (687585585786).

The spelling of 225242343264 in words is "two hundred twenty-five billion, two hundred forty-two million, three hundred forty-three thousand, two hundred sixty-four".