22553982 has 24 divisors (see below), whose sum is σ = 53309880. Its totient is φ = 6834480.

The previous prime is 22553963. The next prime is 22553983. The reversal of 22553982 is 28935522.

22553982 is a `hidden beast` number, since 22 + 553 + 9 + 82 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22553983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56757 + ... + 57152.

It is an arithmetic number, because the mean of its divisors is an integer number (2221245).

Almost surely, 2^22553982 is an apocalyptic number.

22553982 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22553982 is an abundant number, since it is smaller than the sum of its proper divisors (30755898).

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

22553982 is a wasteful number, since it uses less digits than its factorization.

22553982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113928 (or 113925 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 22553982 is about 4749.1032837789. The cubic root of 22553982 is about 282.5364017102.

The spelling of 22553982 in words is "twenty-two million, five hundred fifty-three thousand, nine hundred eighty-two".