22253479 has 4 divisors (see below), whose sum is σ = 22368976. Its totient is φ = 22137984.

The previous prime is 22253437. The next prime is 22253501. The reversal of 22253479 is 97435222.

It is a happy number.

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 22253479 - 2¹³ = 22245287 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 (22253279) 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, 57459 + ... + 57844.

It is an arithmetic number, because the mean of its divisors is an integer number (5592244).

Almost surely, 2^22253479 is an apocalyptic number.

22253479 is a deficient number, since it is larger than the sum of its proper divisors (115497).

22253479 is a wasteful number, since it uses less digits than its factorization.

22253479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115496.

The product of its digits is 30240, while the sum is 34.

The square root of 22253479 is about 4717.3593248766. The cubic root of 22253479 is about 281.2759749508.

The spelling of 22253479 in words is "twenty-two million, two hundred fifty-three thousand, four hundred seventy-nine".