264722 has 4 divisors (see below), whose sum is σ = 397086. Its totient is φ = 132360.

The previous prime is 264697. The next prime is 264731. The reversal of 264722 is 227462.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 227462 = 2 ⋅113731.

It can be written as a sum of positive squares in only one way, i.e., 185761 + 78961 = 431^2 + 281^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 264722.

It is an unprimeable number.

264722 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66179 + ... + 66182.

2²⁶⁴⁷²² is an apocalyptic number.

264722 is a deficient number, since it is larger than the sum of its proper divisors (132364).

264722 is a wasteful number, since it uses less digits than its factorization.

264722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132363.

The product of its digits is 1344, while the sum is 23.

The square root of 264722 is about 514.5114187265. The cubic root of 264722 is about 64.2091141714.

The spelling of 264722 in words is "two hundred sixty-four thousand, seven hundred twenty-two".