22645466 has 4 divisors (see below), whose sum is σ = 33968202. Its totient is φ = 11322732.

The previous prime is 22645451. The next prime is 22645481. The reversal of 22645466 is 66454622.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (22645451) and next prime (22645481).

It can be written as a sum of positive squares in only one way, i.e., 16168441 + 6477025 = 4021^2 + 2545^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5661365 + ... + 5661368.

Almost surely, 2^22645466 is an apocalyptic number.

22645466 is a deficient number, since it is larger than the sum of its proper divisors (11322736).

22645466 is a wasteful number, since it uses less digits than its factorization.

22645466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11322735.

The product of its digits is 69120, while the sum is 35.

The square root of 22645466 is about 4758.7252494760. The cubic root of 22645466 is about 282.9178966628.

The spelling of 22645466 in words is "twenty-two million, six hundred forty-five thousand, four hundred sixty-six".