22479684 has 12 divisors (see below), whose sum is σ = 52452624. Its totient is φ = 7493224.

The previous prime is 22479643. The next prime is 22479689. The reversal of 22479684 is 48697422.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (22479689) 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, 936642 + ... + 936665.

It is an arithmetic number, because the mean of its divisors is an integer number (4371052).

Almost surely, 2^22479684 is an apocalyptic number.

It is an amenable number.

22479684 is an abundant number, since it is smaller than the sum of its proper divisors (29972940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22479684 is a wasteful number, since it uses less digits than its factorization.

22479684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1873314 (or 1873312 counting only the distinct ones).

The product of its digits is 193536, while the sum is 42.

The square root of 22479684 is about 4741.2745121961. The cubic root of 22479684 is about 282.2258137978.

The spelling of 22479684 in words is "twenty-two million, four hundred seventy-nine thousand, six hundred eighty-four".