22290395 has 12 divisors (see below), whose sum is σ = 27645120. Its totient is φ = 17253360.

The previous prime is 22290343. The next prime is 22290409. The reversal of 22290395 is 59309222.

It is a happy number.

It is not a de Polignac number, because 22290395 - 2¹⁴ = 22274011 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2486 + ... + 7124.

It is an arithmetic number, because the mean of its divisors is an integer number (2303760).

Almost surely, 2^22290395 is an apocalyptic number.

22290395 is a deficient number, since it is larger than the sum of its proper divisors (5354725).

22290395 is an equidigital number, since it uses as much as digits as its factorization.

22290395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4706 (or 4675 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 22290395 is about 4721.2704857909. The cubic root of 22290395 is about 281.4314240148.

The spelling of 22290395 in words is "twenty-two million, two hundred ninety thousand, three hundred ninety-five".