22268479 has 4 divisors (see below), whose sum is σ = 22280976. Its totient is φ = 22255984.

The previous prime is 22268471. The next prime is 22268483. The reversal of 22268479 is 97486222.

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 22268479 - 2³ = 22268471 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 (22268471) 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, 3019 + ... + 7324.

It is an arithmetic number, because the mean of its divisors is an integer number (5570244).

Almost surely, 2^22268479 is an apocalyptic number.

22268479 is a deficient number, since it is larger than the sum of its proper divisors (12497).

22268479 is a wasteful number, since it uses less digits than its factorization.

22268479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12496.

The product of its digits is 96768, while the sum is 40.

The square root of 22268479 is about 4718.9489295817. The cubic root of 22268479 is about 281.3391589591.

The spelling of 22268479 in words is "twenty-two million, two hundred sixty-eight thousand, four hundred seventy-nine".