23266664 has 8 divisors (see below), whose sum is σ = 43625010. Its totient is φ = 11633328.

The previous prime is 23266657. The next prime is 23266667. The reversal of 23266664 is 46666232.

It can be written as a sum of positive squares in only one way, i.e., 19096900 + 4169764 = 4370^2 + 2042^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (23266667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1454159 + ... + 1454174.

Almost surely, 2^23266664 is an apocalyptic number.

It is an amenable number.

23266664 is a deficient number, since it is larger than the sum of its proper divisors (20358346).

23266664 is a wasteful number, since it uses less digits than its factorization.

23266664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2908339 (or 2908335 counting only the distinct ones).

The product of its digits is 62208, while the sum is 35.

The square root of 23266664 is about 4823.5530472879. The cubic root of 23266664 is about 285.4815456065.

The spelling of 23266664 in words is "twenty-three million, two hundred sixty-six thousand, six hundred sixty-four".