22657742 has 8 divisors (see below), whose sum is σ = 34158000. Its totient is φ = 11271744.

The previous prime is 22657697. The next prime is 22657751. The reversal of 22657742 is 24775622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28067 + ... + 28862.

It is an arithmetic number, because the mean of its divisors is an integer number (4269750).

Almost surely, 2^22657742 is an apocalyptic number.

22657742 is a deficient number, since it is larger than the sum of its proper divisors (11500258).

22657742 is a wasteful number, since it uses less digits than its factorization.

22657742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57130.

The product of its digits is 47040, while the sum is 35.

The square root of 22657742 is about 4760.0149159430. The cubic root of 22657742 is about 282.9690102456.

The spelling of 22657742 in words is "twenty-two million, six hundred fifty-seven thousand, seven hundred forty-two".