22372113 has 4 divisors (see below), whose sum is σ = 29829488. Its totient is φ = 14914740.

The previous prime is 22372109. The next prime is 22372121. The reversal of 22372113 is 31127322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 22372113 - 2² = 22372109 is a prime.

It is a super-2 number, since 2×22372113² = 1001022880169538, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22372113.

It is not an unprimeable number, because it can be changed into a prime (22332113) 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, 3728683 + ... + 3728688.

It is an arithmetic number, because the mean of its divisors is an integer number (7457372).

Almost surely, 2^22372113 is an apocalyptic number.

It is an amenable number.

22372113 is a deficient number, since it is larger than the sum of its proper divisors (7457375).

22372113 is an equidigital number, since it uses as much as digits as its factorization.

22372113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7457374.

The product of its digits is 504, while the sum is 21.

The square root of 22372113 is about 4729.9168068794. The cubic root of 22372113 is about 281.7749197395.

Adding to 22372113 its reverse (31127322), we get a palindrome (53499435).

The spelling of 22372113 in words is "twenty-two million, three hundred seventy-two thousand, one hundred thirteen".