22890375 has 24 divisors (see below), whose sum is σ = 41265744. Its totient is φ = 12207600.

The previous prime is 22890331. The next prime is 22890377. The reversal of 22890375 is 57309822.

It is a happy number.

22890375 is a `hidden beast` number, since 2 + 289 + 0 + 375 = 666.

It is not a de Polignac number, because 22890375 - 2¹⁰ = 22889351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22890377) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9049 + ... + 11298.

It is an arithmetic number, because the mean of its divisors is an integer number (1719406).

Almost surely, 2^22890375 is an apocalyptic number.

22890375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22890375 is a deficient number, since it is larger than the sum of its proper divisors (18375369).

22890375 is a wasteful number, since it uses less digits than its factorization.

22890375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20368 (or 20355 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 22890375 is about 4784.3886756826. The cubic root of 22890375 is about 283.9341537155.

The spelling of 22890375 in words is "twenty-two million, eight hundred ninety thousand, three hundred seventy-five".