22613790 has 16 divisors (see below), whose sum is σ = 54273168. Its totient is φ = 6030336.

The previous prime is 22613779. The next prime is 22613797. The reversal of 22613790 is 9731622.

It is a super-2 number, since 2×22613790² = 1022766996328200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 753793 = 22613790 / (2 + 2 + 6 + 1 + 3 + 7 + 9 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22613797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 376867 + ... + 376926.

It is an arithmetic number, because the mean of its divisors is an integer number (3392073).

Almost surely, 2^22613790 is an apocalyptic number.

22613790 is an abundant number, since it is smaller than the sum of its proper divisors (31659378).

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

22613790 is a wasteful number, since it uses less digits than its factorization.

22613790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753803.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 22613790 is about 4755.3958825738. The cubic root of 22613790 is about 282.7859219145.

The spelling of 22613790 in words is "twenty-two million, six hundred thirteen thousand, seven hundred ninety".