22492542 has 32 divisors (see below), whose sum is σ = 47646720. Its totient is φ = 7058880.

The previous prime is 22492531. The next prime is 22492543. The reversal of 22492542 is 24529422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22492543) 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, 21258 + ... + 22290.

It is an arithmetic number, because the mean of its divisors is an integer number (1488960).

Almost surely, 2^22492542 is an apocalyptic number.

22492542 is an abundant number, since it is smaller than the sum of its proper divisors (25154178).

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

22492542 is a wasteful number, since it uses less digits than its factorization.

22492542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248.

The product of its digits is 11520, while the sum is 30.

The square root of 22492542 is about 4742.6302828705. The cubic root of 22492542 is about 282.2796130097.

The spelling of 22492542 in words is "twenty-two million, four hundred ninety-two thousand, five hundred forty-two".