22129384 has 16 divisors (see below), whose sum is σ = 41548320. Its totient is φ = 11049840.

The previous prime is 22129361. The next prime is 22129409. The reversal of 22129384 is 48392122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6907 + ... + 9589.

It is an arithmetic number, because the mean of its divisors is an integer number (2596770).

Almost surely, 2^22129384 is an apocalyptic number.

It is an amenable number.

22129384 is a deficient number, since it is larger than the sum of its proper divisors (19418936).

22129384 is a wasteful number, since it uses less digits than its factorization.

22129384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3720 (or 3716 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 22129384 is about 4704.1879214164. The cubic root of 22129384 is about 280.7521613404.

The spelling of 22129384 in words is "twenty-two million, one hundred twenty-nine thousand, three hundred eighty-four".