22163152 has 20 divisors (see below), whose sum is σ = 46845216. Its totient is φ = 10074080.

The previous prime is 22163149. The next prime is 22163159. The reversal of 22163152 is 25136122.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22163159) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 62788 + ... + 63139.

Almost surely, 2^22163152 is an apocalyptic number.

22163152 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22163152 is an abundant number, since it is smaller than the sum of its proper divisors (24682064).

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

22163152 is a wasteful number, since it uses less digits than its factorization.

22163152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125946 (or 125940 counting only the distinct ones).

The product of its digits is 720, while the sum is 22.

The square root of 22163152 is about 4707.7756955913. The cubic root of 22163152 is about 280.8948919422.

Adding to 22163152 its reverse (25136122), we get a palindrome (47299274).

The spelling of 22163152 in words is "twenty-two million, one hundred sixty-three thousand, one hundred fifty-two".