22541340 has 48 divisors (see below), whose sum is σ = 65157120. Its totient is φ = 5816640.

The previous prime is 22541329. The next prime is 22541347. The reversal of 22541340 is 4314522.

It is a super-2 number, since 2×22541340² = 1016224017991200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22541347) 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, 4200 + ... + 7919.

It is an arithmetic number, because the mean of its divisors is an integer number (1357440).

Almost surely, 2^22541340 is an apocalyptic number.

22541340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22541340 is an abundant number, since it is smaller than the sum of its proper divisors (42615780).

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

22541340 is a wasteful number, since it uses less digits than its factorization.

22541340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12162 (or 12160 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 22541340 is about 4747.7721091055. The cubic root of 22541340 is about 282.4836025672.

Adding to 22541340 its reverse (4314522), we get a palindrome (26855862).

The spelling of 22541340 in words is "twenty-two million, five hundred forty-one thousand, three hundred forty".