22113345 has 16 divisors (see below), whose sum is σ = 37463040. Its totient is φ = 11099904.

The previous prime is 22113263. The next prime is 22113353. The reversal of 22113345 is 54331122.

It is not a de Polignac number, because 22113345 - 2⁸ = 22113089 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43105 + ... + 43614.

It is an arithmetic number, because the mean of its divisors is an integer number (2341440).

Almost surely, 2^22113345 is an apocalyptic number.

It is an amenable number.

22113345 is a deficient number, since it is larger than the sum of its proper divisors (15349695).

22113345 is a wasteful number, since it uses less digits than its factorization.

22113345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86744.

The product of its digits is 720, while the sum is 21.

The square root of 22113345 is about 4702.4828548332. The cubic root of 22113345 is about 280.6843168212.

Adding to 22113345 its reverse (54331122), we get a palindrome (76444467).

The spelling of 22113345 in words is "twenty-two million, one hundred thirteen thousand, three hundred forty-five".