22117482 has 32 divisors (see below), whose sum is σ = 51739200. Its totient is φ = 6984144.

The previous prime is 22117481. The next prime is 22117549. The reversal of 22117482 is 28471122.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (22117481) 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 15 ways as a sum of consecutive naturals, for example, 9753 + ... + 11804.

It is an arithmetic number, because the mean of its divisors is an integer number (1616850).

Almost surely, 2^22117482 is an apocalyptic number.

22117482 is an abundant number, since it is smaller than the sum of its proper divisors (29621718).

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

22117482 is a wasteful number, since it uses less digits than its factorization.

22117482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21587 (or 21581 counting only the distinct ones).

The product of its digits is 1792, while the sum is 27.

The square root of 22117482 is about 4702.9227082741. The cubic root of 22117482 is about 280.7018193536.

The spelling of 22117482 in words is "twenty-two million, one hundred seventeen thousand, four hundred eighty-two".