22013479 has 4 divisors (see below), whose sum is σ = 22323600. Its totient is φ = 21703360.

The previous prime is 22013477. The next prime is 22013489. The reversal of 22013479 is 97431022.

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 22013479 - 2¹ = 22013477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22013477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154954 + ... + 155095.

It is an arithmetic number, because the mean of its divisors is an integer number (5580900).

Almost surely, 2^22013479 is an apocalyptic number.

22013479 is a deficient number, since it is larger than the sum of its proper divisors (310121).

22013479 is an equidigital number, since it uses as much as digits as its factorization.

22013479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310120.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 22013479 is about 4691.8524060333. The cubic root of 22013479 is about 280.2611466676.

The spelling of 22013479 in words is "twenty-two million, thirteen thousand, four hundred seventy-nine".