22258542 has 32 divisors (see below), whose sum is σ = 48148992. Its totient is φ = 6833024.

The previous prime is 22258529. The next prime is 22258543. The reversal of 22258542 is 24585222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22258543) 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, 2473 + ... + 7115.

It is an arithmetic number, because the mean of its divisors is an integer number (1504656).

Almost surely, 2^22258542 is an apocalyptic number.

22258542 is an abundant number, since it is smaller than the sum of its proper divisors (25890450).

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

22258542 is a wasteful number, since it uses less digits than its factorization.

22258542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4712.

The product of its digits is 12800, while the sum is 30.

The square root of 22258542 is about 4717.8959293312. The cubic root of 22258542 is about 281.2973048332.

The spelling of 22258542 in words is "twenty-two million, two hundred fifty-eight thousand, five hundred forty-two".