22897430 has 8 divisors (see below), whose sum is σ = 41215392. Its totient is φ = 9158968.

The previous prime is 22897421. The next prime is 22897447. The reversal of 22897430 is 3479822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1144862 + ... + 1144881.

It is an arithmetic number, because the mean of its divisors is an integer number (5151924).

Almost surely, 2^22897430 is an apocalyptic number.

22897430 is a deficient number, since it is larger than the sum of its proper divisors (18317962).

22897430 is a wasteful number, since it uses less digits than its factorization.

22897430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2289750.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 22897430 is about 4785.1259126589. The cubic root of 22897430 is about 283.9633209921.

The spelling of 22897430 in words is "twenty-two million, eight hundred ninety-seven thousand, four hundred thirty".