22264899 has 4 divisors (see below), whose sum is σ = 29686536. Its totient is φ = 14843264.

The previous prime is 22264877. The next prime is 22264901. The reversal of 22264899 is 99846222.

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

It is a cyclic number.

It is not a de Polignac number, because 22264899 - 2⁵ = 22264867 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22264899.

It is not an unprimeable number, because it can be changed into a prime (22260899) 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, 3710814 + ... + 3710819.

It is an arithmetic number, because the mean of its divisors is an integer number (7421634).

Almost surely, 2^22264899 is an apocalyptic number.

22264899 is a deficient number, since it is larger than the sum of its proper divisors (7421637).

22264899 is an equidigital number, since it uses as much as digits as its factorization.

22264899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7421636.

The product of its digits is 124416, while the sum is 42.

The square root of 22264899 is about 4718.5695925778. The cubic root of 22264899 is about 281.3240816209.

The spelling of 22264899 in words is "twenty-two million, two hundred sixty-four thousand, eight hundred ninety-nine".