22473378 has 24 divisors (see below), whose sum is σ = 49613148. Its totient is φ = 7349472.

The previous prime is 22473331. The next prime is 22473389. The reversal of 22473378 is 87337422.

It can be written as a sum of positive squares in 2 ways, for example, as 21040569 + 1432809 = 4587^2 + 1197^2 .

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 in 11 ways as a sum of consecutive naturals, for example, 10825 + ... + 12732.

Almost surely, 2^22473378 is an apocalyptic number.

22473378 is an abundant number, since it is smaller than the sum of its proper divisors (27139770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22473378 is a wasteful number, since it uses less digits than its factorization.

22473378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23618 (or 23615 counting only the distinct ones).

The product of its digits is 56448, while the sum is 36.

The square root of 22473378 is about 4740.6094544900. The cubic root of 22473378 is about 282.1994213387.

It can be divided in two parts, 2247 and 3378, that added together give a square (5625 = 75²).

The spelling of 22473378 in words is "twenty-two million, four hundred seventy-three thousand, three hundred seventy-eight".