22542566 has 8 divisors (see below), whose sum is σ = 33834504. Its totient is φ = 11264400.

The previous prime is 22542547. The next prime is 22542577. The reversal of 22542566 is 66524522.

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

It is a Curzon number.

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, 3266 + ... + 7466.

It is an arithmetic number, because the mean of its divisors is an integer number (4229313).

Almost surely, 2^22542566 is an apocalyptic number.

22542566 is a deficient number, since it is larger than the sum of its proper divisors (11291938).

22542566 is a wasteful number, since it uses less digits than its factorization.

22542566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6886.

The product of its digits is 28800, while the sum is 32.

The square root of 22542566 is about 4747.9012205395. The cubic root of 22542566 is about 282.4887238040.

The spelling of 22542566 in words is "twenty-two million, five hundred forty-two thousand, five hundred sixty-six".