22897378 has 16 divisors (see below), whose sum is σ = 39994560. Its totient is φ = 9627696.

The previous prime is 22897367. The next prime is 22897403. The reversal of 22897378 is 87379822.

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 7 ways as a sum of consecutive naturals, for example, 14688 + ... + 16171.

It is an arithmetic number, because the mean of its divisors is an integer number (2499660).

Almost surely, 2^22897378 is an apocalyptic number.

22897378 is a deficient number, since it is larger than the sum of its proper divisors (17097182).

22897378 is a wasteful number, since it uses less digits than its factorization.

22897378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30921.

The product of its digits is 338688, while the sum is 46.

The square root of 22897378 is about 4785.1204791520. The cubic root of 22897378 is about 283.9631060319.

The spelling of 22897378 in words is "twenty-two million, eight hundred ninety-seven thousand, three hundred seventy-eight".