22321984 has 28 divisors (see below), whose sum is σ = 45728128. Its totient is φ = 10800000.

The previous prime is 22321961. The next prime is 22321991. The reversal of 22321984 is 48912322.

It is a super-3 number, since 3×22321984³ (a number of 23 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

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, 3642 + ... + 7609.

Almost surely, 2^22321984 is an apocalyptic number.

It is an amenable number.

22321984 is an abundant number, since it is smaller than the sum of its proper divisors (23406144).

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

22321984 is a wasteful number, since it uses less digits than its factorization.

22321984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11294 (or 11284 counting only the distinct ones).

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

The square root of 22321984 is about 4724.6146932845. The cubic root of 22321984 is about 281.5643054791.

The spelling of 22321984 in words is "twenty-two million, three hundred twenty-one thousand, nine hundred eighty-four".