22140984 has 32 divisors (see below), whose sum is σ = 56705040. Its totient is φ = 7200000.

The previous prime is 22140977. The next prime is 22141013. The reversal of 22140984 is 48904122.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10267 + ... + 12234.

Almost surely, 2^22140984 is an apocalyptic number.

22140984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22140984 is an abundant number, since it is smaller than the sum of its proper divisors (34564056).

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

22140984 is a wasteful number, since it uses less digits than its factorization.

22140984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22551 (or 22547 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 22140984 is about 4705.4207038266. The cubic root of 22140984 is about 280.8012085889.

The spelling of 22140984 in words is "twenty-two million, one hundred forty thousand, nine hundred eighty-four".