22264465 has 4 divisors (see below), whose sum is σ = 26717364. Its totient is φ = 17811568.

The previous prime is 22264457. The next prime is 22264469. The reversal of 22264465 is 56446222.

22264465 = 3336² + 3337².

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11135569 + 11128896 = 3337^2 + 3336^2 .

It is a cyclic number.

It is not a de Polignac number, because 22264465 - 2³ = 22264457 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (22264469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2226442 + ... + 2226451.

It is an arithmetic number, because the mean of its divisors is an integer number (6679341).

Almost surely, 2^22264465 is an apocalyptic number.

22264465 is the 3337-th centered square number.

It is an amenable number.

22264465 is a deficient number, since it is larger than the sum of its proper divisors (4452899).

22264465 is an equidigital number, since it uses as much as digits as its factorization.

22264465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4452898.

The product of its digits is 23040, while the sum is 31.

The square root of 22264465 is about 4718.5236038405. The cubic root of 22264465 is about 281.3222536997.

The spelling of 22264465 in words is "twenty-two million, two hundred sixty-four thousand, four hundred sixty-five".