22479321 has 16 divisors (see below), whose sum is σ = 32832000. Its totient is φ = 13617408.

The previous prime is 22479319. The next prime is 22479329. The reversal of 22479321 is 12397422.

It is not a de Polignac number, because 22479321 - 2¹ = 22479319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22479329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6121 + ... + 9078.

It is an arithmetic number, because the mean of its divisors is an integer number (2052000).

Almost surely, 2^22479321 is an apocalyptic number.

It is an amenable number.

22479321 is a deficient number, since it is larger than the sum of its proper divisors (10352679).

22479321 is a wasteful number, since it uses less digits than its factorization.

22479321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15248.

The product of its digits is 6048, while the sum is 30.

The square root of 22479321 is about 4741.2362311954. The cubic root of 22479321 is about 282.2242946702.

The spelling of 22479321 in words is "twenty-two million, four hundred seventy-nine thousand, three hundred twenty-one".