22542541 has 16 divisors (see below), whose sum is σ = 26812800. Its totient is φ = 18543168.

The previous prime is 22542539. The next prime is 22542547. The reversal of 22542541 is 14524522.

It is not a de Polignac number, because 22542541 - 2¹ = 22542539 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22542547) 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, 59290 + ... + 59668.

It is an arithmetic number, because the mean of its divisors is an integer number (1675800).

Almost surely, 2^22542541 is an apocalyptic number.

It is an amenable number.

22542541 is a deficient number, since it is larger than the sum of its proper divisors (4270259).

22542541 is a wasteful number, since it uses less digits than its factorization.

22542541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708.

The product of its digits is 3200, while the sum is 25.

The square root of 22542541 is about 4747.8985877965. The cubic root of 22542541 is about 282.4886193760.

The spelling of 22542541 in words is "twenty-two million, five hundred forty-two thousand, five hundred forty-one".