22546466 has 4 divisors (see below), whose sum is σ = 33819702. Its totient is φ = 11273232.

The previous prime is 22546457. The next prime is 22546477. The reversal of 22546466 is 66464522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66464522 = 2 ⋅33232261.

It can be written as a sum of positive squares in only one way, i.e., 14280841 + 8265625 = 3779^2 + 2875^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5636615 + ... + 5636618.

Almost surely, 2^22546466 is an apocalyptic number.

22546466 is a deficient number, since it is larger than the sum of its proper divisors (11273236).

22546466 is a wasteful number, since it uses less digits than its factorization.

22546466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11273235.

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

The square root of 22546466 is about 4748.3119105636. The cubic root of 22546466 is about 282.5050136161.

The spelling of 22546466 in words is "twenty-two million, five hundred forty-six thousand, four hundred sixty-six".