22332120 has 64 divisors (see below), whose sum is σ = 67500000. Its totient is φ = 5910528.

The previous prime is 22332113. The next prime is 22332143. The reversal of 22332120 is 2123322.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 22332120.

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 15 ways as a sum of consecutive naturals, for example, 17256 + ... + 18504.

Almost surely, 2^22332120 is an apocalyptic number.

22332120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22332120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33750000).

22332120 is an abundant number, since it is smaller than the sum of its proper divisors (45167880).

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

22332120 is a wasteful number, since it uses less digits than its factorization.

22332120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1412 (or 1408 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 22332120 is about 4725.6872516069. The cubic root of 22332120 is about 281.6069167443.

Adding to 22332120 its reverse (2123322), we get a palindrome (24455442).

The spelling of 22332120 in words is "twenty-two million, three hundred thirty-two thousand, one hundred twenty".