264222688 has 24 divisors (see below), whose sum is σ = 520935408. Its totient is φ = 131921664.

The previous prime is 264222617. The next prime is 264222691. The reversal of 264222688 is 886222462.

It is a self number, because there is not a number n which added to its sum of digits gives 264222688.

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, 18220 + ... + 29332.

It is an arithmetic number, because the mean of its divisors is an integer number (21705642).

Almost surely, 2^264222688 is an apocalyptic number.

It is an amenable number.

264222688 is a deficient number, since it is larger than the sum of its proper divisors (256712720).

264222688 is a wasteful number, since it uses less digits than its factorization.

264222688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11866 (or 11858 counting only the distinct ones).

The product of its digits is 147456, while the sum is 40.

The square root of 264222688 is about 16254.9281142674. The cubic root of 264222688 is about 641.6871888941.

The spelling of 264222688 in words is "two hundred sixty-four million, two hundred twenty-two thousand, six hundred eighty-eight".