264222672 has 80 divisors (see below), whose sum is σ = 805281792. Its totient is φ = 73054080.

The previous prime is 264222617. The next prime is 264222691. The reversal of 264222672 is 276222462.

It is a nude number because it is divisible by every one of its digits.

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, 2268 + ... + 23099.

Almost surely, 2^264222672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 264222672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (402640896).

264222672 is an abundant number, since it is smaller than the sum of its proper divisors (541059120).

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

264222672 is a wasteful number, since it uses less digits than its factorization.

264222672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25416 (or 25410 counting only the distinct ones).

The product of its digits is 32256, while the sum is 33.

The square root of 264222672 is about 16254.9276221089. The cubic root of 264222672 is about 641.6871759416.

The spelling of 264222672 in words is "two hundred sixty-four million, two hundred twenty-two thousand, six hundred seventy-two".