22541500 has 24 divisors (see below), whose sum is σ = 49231728. Its totient is φ = 9016400.

The previous prime is 22541471. The next prime is 22541501. The reversal of 22541500 is 514522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22541501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22042 + ... + 23041.

It is an arithmetic number, because the mean of its divisors is an integer number (2051322).

Almost surely, 2^22541500 is an apocalyptic number.

22541500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22541500 is an abundant number, since it is smaller than the sum of its proper divisors (26690228).

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

22541500 is a wasteful number, since it uses less digits than its factorization.

22541500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45102 (or 45090 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 22541500 is about 4747.7889590840. The cubic root of 22541500 is about 282.4842709284.

The spelling of 22541500 in words is "twenty-two million, five hundred forty-one thousand, five hundred".