22541439 has 16 divisors (see below), whose sum is σ = 32922720. Its totient is φ = 13655040.

The previous prime is 22541423. The next prime is 22541443. The reversal of 22541439 is 93414522.

It is not a de Polignac number, because 22541439 - 2⁴ = 22541423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22541419) 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, 6142 + ... + 9099.

It is an arithmetic number, because the mean of its divisors is an integer number (2057670).

Almost surely, 2^22541439 is an apocalyptic number.

22541439 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

22541439 is a deficient number, since it is larger than the sum of its proper divisors (10381281).

22541439 is a wasteful number, since it uses less digits than its factorization.

22541439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15290.

The product of its digits is 8640, while the sum is 30.

The square root of 22541439 is about 4747.7825350368. The cubic root of 22541439 is about 282.4840161160.

The spelling of 22541439 in words is "twenty-two million, five hundred forty-one thousand, four hundred thirty-nine".