22666492 has 6 divisors (see below), whose sum is σ = 39666368. Its totient is φ = 11333244.

The previous prime is 22666471. The next prime is 22666493. The reversal of 22666492 is 29466622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22666493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2833308 + ... + 2833315.

Almost surely, 2^22666492 is an apocalyptic number.

It is an amenable number.

22666492 is a deficient number, since it is larger than the sum of its proper divisors (16999876).

22666492 is a wasteful number, since it uses less digits than its factorization.

22666492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5666627 (or 5666625 counting only the distinct ones).

The product of its digits is 62208, while the sum is 37.

The square root of 22666492 is about 4760.9339419908. The cubic root of 22666492 is about 283.0054313533.

The spelling of 22666492 in words is "twenty-two million, six hundred sixty-six thousand, four hundred ninety-two".