22688492 has 6 divisors (see below), whose sum is σ = 39704868. Its totient is φ = 11344244.

The previous prime is 22688483. The next prime is 22688507. The reversal of 22688492 is 29488622.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2836058 + ... + 2836065.

It is an arithmetic number, because the mean of its divisors is an integer number (6617478).

Almost surely, 2^22688492 is an apocalyptic number.

It is an amenable number.

22688492 is a deficient number, since it is larger than the sum of its proper divisors (17016376).

22688492 is a wasteful number, since it uses less digits than its factorization.

22688492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5672127 (or 5672125 counting only the distinct ones).

The product of its digits is 110592, while the sum is 41.

The square root of 22688492 is about 4763.2438526702. The cubic root of 22688492 is about 283.0969630325.

The spelling of 22688492 in words is "twenty-two million, six hundred eighty-eight thousand, four hundred ninety-two".