22813120 has 56 divisors (see below), whose sum is σ = 59271408. Its totient is φ = 8294400.

The previous prime is 22813073. The next prime is 22813121. The reversal of 22813120 is 2131822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22813121) 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, 280 + ... + 6760.

It is an arithmetic number, because the mean of its divisors is an integer number (1058418).

Almost surely, 2^22813120 is an apocalyptic number.

22813120 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 22813120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29635704).

22813120 is an abundant number, since it is smaller than the sum of its proper divisors (36458288).

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

22813120 is a wasteful number, since it uses less digits than its factorization.

22813120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6509 (or 6499 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 22813120 is about 4776.3081977611. The cubic root of 22813120 is about 283.6143678279.

Adding to 22813120 its reverse (2131822), we get a palindrome (24944942).

The spelling of 22813120 in words is "twenty-two million, eight hundred thirteen thousand, one hundred twenty".