22940120 has 32 divisors (see below), whose sum is σ = 58989600. Its totient is φ = 7865088.

The previous prime is 22940117. The next prime is 22940129. The reversal of 22940120 is 2104922.

It is a super-2 number, since 2×22940120² = 1052498211228800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 22940092 and 22940101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22940129) 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, 40685 + ... + 41244.

It is an arithmetic number, because the mean of its divisors is an integer number (1843425).

Almost surely, 2^22940120 is an apocalyptic number.

22940120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22940120 is an abundant number, since it is smaller than the sum of its proper divisors (36049480).

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

22940120 is a wasteful number, since it uses less digits than its factorization.

22940120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81947 (or 81943 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 22940120 is about 4789.5845331302. The cubic root of 22940120 is about 284.1396853016.

The spelling of 22940120 in words is "twenty-two million, nine hundred forty thousand, one hundred twenty".