22486542 has 32 divisors (see below), whose sum is σ = 50107680. Its totient is φ = 6679680.

The previous prime is 22486537. The next prime is 22486547. The reversal of 22486542 is 24568422.

It is an interprime number because it is at equal distance from previous prime (22486537) and next prime (22486547).

It is a super-2 number, since 2×22486542² = 1011289142235528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22486547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2709 + ... + 7232.

It is an arithmetic number, because the mean of its divisors is an integer number (1565865).

Almost surely, 2^22486542 is an apocalyptic number.

22486542 is an abundant number, since it is smaller than the sum of its proper divisors (27621138).

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

22486542 is a wasteful number, since it uses less digits than its factorization.

22486542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9988.

The product of its digits is 30720, while the sum is 33.

The square root of 22486542 is about 4741.9976803031. The cubic root of 22486542 is about 282.2545109366.

The spelling of 22486542 in words is "twenty-two million, four hundred eighty-six thousand, five hundred forty-two".