22446874 has 4 divisors (see below), whose sum is σ = 33670314. Its totient is φ = 11223436.

The previous prime is 22446859. The next prime is 22446877. The reversal of 22446874 is 47864422.

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

It can be written as a sum of positive squares in only one way, i.e., 19580625 + 2866249 = 4425^2 + 1693^2 .

It is not an unprimeable number, because it can be changed into a prime (22446877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5611717 + ... + 5611720.

Almost surely, 2^22446874 is an apocalyptic number.

22446874 is a deficient number, since it is larger than the sum of its proper divisors (11223440).

22446874 is a wasteful number, since it uses less digits than its factorization.

22446874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11223439.

The product of its digits is 86016, while the sum is 37.

The square root of 22446874 is about 4737.8132086438. The cubic root of 22446874 is about 282.0884403122.

The spelling of 22446874 in words is "twenty-two million, four hundred forty-six thousand, eight hundred seventy-four".