22948666 has 16 divisors (see below), whose sum is σ = 37182600. Its totient is φ = 10559808.

The previous prime is 22948661. The next prime is 22948669. The reversal of 22948666 is 66684922.

It can be written as a sum of positive squares in 4 ways, for example, as 6375625 + 16573041 = 2525^2 + 4071^2 .

It is not an unprimeable number, because it can be changed into a prime (22948661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8980 + ... + 11248.

Almost surely, 2^22948666 is an apocalyptic number.

22948666 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

22948666 is a deficient number, since it is larger than the sum of its proper divisors (14233934).

22948666 is a wasteful number, since it uses less digits than its factorization.

22948666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2673.

The product of its digits is 248832, while the sum is 43.

The square root of 22948666 is about 4790.4765942440. The cubic root of 22948666 is about 284.1749649235.

The spelling of 22948666 in words is "twenty-two million, nine hundred forty-eight thousand, six hundred sixty-six".