22545738 has 24 divisors (see below), whose sum is σ = 48967776. Its totient is φ = 7497000.

The previous prime is 22545709. The next prime is 22545739. The reversal of 22545738 is 83754522.

It is not an unprimeable number, because it can be changed into a prime (22545739) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7563 + ... + 10113.

It is an arithmetic number, because the mean of its divisors is an integer number (2040324).

Almost surely, 2^22545738 is an apocalyptic number.

22545738 is an abundant number, since it is smaller than the sum of its proper divisors (26422038).

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

22545738 is a wasteful number, since it uses less digits than its factorization.

22545738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3050 (or 3047 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 22545738 is about 4748.2352511223. The cubic root of 22545738 is about 282.5019729938.

The spelling of 22545738 in words is "twenty-two million, five hundred forty-five thousand, seven hundred thirty-eight".