22986542 has 16 divisors (see below), whose sum is σ = 36460800. Its totient is φ = 10838520.

The previous prime is 22986539. The next prime is 22986547. The reversal of 22986542 is 24568922.

It is a super-2 number, since 2×22986542² = 1056762226235528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 22986496 and 22986505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22986547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7817 + ... + 10347.

It is an arithmetic number, because the mean of its divisors is an integer number (2278800).

Almost surely, 2^22986542 is an apocalyptic number.

22986542 is a deficient number, since it is larger than the sum of its proper divisors (13474258).

22986542 is a wasteful number, since it uses less digits than its factorization.

22986542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2791.

The product of its digits is 69120, while the sum is 38.

The square root of 22986542 is about 4794.4282245123. The cubic root of 22986542 is about 284.3312193923.

The spelling of 22986542 in words is "twenty-two million, nine hundred eighty-six thousand, five hundred forty-two".