22648474 has 4 divisors (see below), whose sum is σ = 33972714. Its totient is φ = 11324236.

The previous prime is 22648427. The next prime is 22648481. The reversal of 22648474 is 47484622.

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., 20566225 + 2082249 = 4535^2 + 1443^2 .

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, 5662117 + ... + 5662120.

Almost surely, 2^22648474 is an apocalyptic number.

22648474 is a deficient number, since it is larger than the sum of its proper divisors (11324240).

22648474 is a wasteful number, since it uses less digits than its factorization.

22648474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11324239.

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

The square root of 22648474 is about 4759.0412900079. The cubic root of 22648474 is about 282.9304227811.

The spelling of 22648474 in words is "twenty-two million, six hundred forty-eight thousand, four hundred seventy-four".