22666274 has 8 divisors (see below), whose sum is σ = 34918428. Its totient is φ = 11026800.

The previous prime is 22666271. The next prime is 22666309. The reversal of 22666274 is 47266622.

It can be written as a sum of positive squares in 2 ways, for example, as 17581249 + 5085025 = 4193^2 + 2255^2 .

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

It is not an unprimeable number, because it can be changed into a prime (22666271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153077 + ... + 153224.

Almost surely, 2^22666274 is an apocalyptic number.

22666274 is a deficient number, since it is larger than the sum of its proper divisors (12252154).

22666274 is a wasteful number, since it uses less digits than its factorization.

22666274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306340.

The product of its digits is 48384, while the sum is 35.

The square root of 22666274 is about 4760.9110472682. The cubic root of 22666274 is about 283.0045240612.

The spelling of 22666274 in words is "twenty-two million, six hundred sixty-six thousand, two hundred seventy-four".