22730408 has 8 divisors (see below), whose sum is σ = 42619530. Its totient is φ = 11365200.

The previous prime is 22730387. The next prime is 22730423. The reversal of 22730408 is 80403722.

It can be written as a sum of positive squares in only one way, i.e., 19695844 + 3034564 = 4438^2 + 1742^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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, 1420643 + ... + 1420658.

Almost surely, 2^22730408 is an apocalyptic number.

It is an amenable number.

22730408 is a deficient number, since it is larger than the sum of its proper divisors (19889122).

22730408 is a wasteful number, since it uses less digits than its factorization.

22730408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2841307 (or 2841303 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 22730408 is about 4767.6417650658. The cubic root of 22730408 is about 283.2711922160.

The spelling of 22730408 in words is "twenty-two million, seven hundred thirty thousand, four hundred eight".