22541772 has 48 divisors (see below), whose sum is σ = 57657600. Its totient is φ = 6797760.

The previous prime is 22541767. The next prime is 22541773. The reversal of 22541772 is 27714522.

It is not an unprimeable number, because it can be changed into a prime (22541773) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51129 + ... + 51567.

It is an arithmetic number, because the mean of its divisors is an integer number (1201200).

Almost surely, 2^22541772 is an apocalyptic number.

22541772 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22541772 is an abundant number, since it is smaller than the sum of its proper divisors (35115828).

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

22541772 is a wasteful number, since it uses less digits than its factorization.

22541772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846 (or 844 counting only the distinct ones).

The product of its digits is 7840, while the sum is 30.

The square root of 22541772 is about 4747.8176039102. The cubic root of 22541772 is about 282.4854071351.

The spelling of 22541772 in words is "twenty-two million, five hundred forty-one thousand, seven hundred seventy-two".