22042152 has 64 divisors (see below), whose sum is σ = 66801600. Its totient is φ = 6678720.

The previous prime is 22042127. The next prime is 22042157. The reversal of 22042152 is 25124022.

It is a super-2 number, since 2×22042152² = 971712929582208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (22042157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2263 + ... + 7014.

It is an arithmetic number, because the mean of its divisors is an integer number (1043775).

Almost surely, 2^22042152 is an apocalyptic number.

22042152 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22042152 is an abundant number, since it is smaller than the sum of its proper divisors (44759448).

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

22042152 is a wasteful number, since it uses less digits than its factorization.

22042152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9303 (or 9293 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 22042152 is about 4694.9070278335. The cubic root of 22042152 is about 280.3827758051.

Adding to 22042152 its reverse (25124022), we get a palindrome (47166174).

It can be divided in two parts, 2204 and 2152, that added together give a square (4356 = 66²).

The spelling of 22042152 in words is "twenty-two million, forty-two thousand, one hundred fifty-two".