22399346 has 4 divisors (see below), whose sum is σ = 33599022. Its totient is φ = 11199672.

The previous prime is 22399313. The next prime is 22399357. The reversal of 22399346 is 64399322.

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., 16900321 + 5499025 = 4111^2 + 2345^2 .

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, 5599835 + ... + 5599838.

Almost surely, 2^22399346 is an apocalyptic number.

22399346 is a deficient number, since it is larger than the sum of its proper divisors (11199676).

22399346 is a wasteful number, since it uses less digits than its factorization.

22399346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11199675.

The product of its digits is 69984, while the sum is 38.

The square root of 22399346 is about 4732.7947346151. The cubic root of 22399346 is about 281.8892058432.

The spelling of 22399346 in words is "twenty-two million, three hundred ninety-nine thousand, three hundred forty-six".