22000120 has 32 divisors (see below), whose sum is σ = 50245200. Its totient is φ = 8667648.

The previous prime is 22000109. The next prime is 22000127. The reversal of 22000120 is 2100022.

It is a happy number.

It is a super-4 number, since 4×22000120⁴ (a number of 30 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22000127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1425 + ... + 6784.

Almost surely, 2^22000120 is an apocalyptic number.

22000120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22000120 is an abundant number, since it is smaller than the sum of its proper divisors (28245080).

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

22000120 is a wasteful number, since it uses less digits than its factorization.

22000120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8287 (or 8283 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 22000120 is about 4690.4285518490. The cubic root of 22000120 is about 280.2044425263.

Adding to 22000120 its reverse (2100022), we get a palindrome (24100142).

The spelling of 22000120 in words is "twenty-two million, one hundred twenty", and thus it is an aban number.