22259390 has 16 divisors (see below), whose sum is σ = 40465440. Its totient is φ = 8815200.

The previous prime is 22259383. The next prime is 22259399. The reversal of 22259390 is 9395222.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22259399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10010 + ... + 12029.

It is an arithmetic number, because the mean of its divisors is an integer number (2529090).

Almost surely, 2^22259390 is an apocalyptic number.

22259390 is a deficient number, since it is larger than the sum of its proper divisors (18206050).

22259390 is a wasteful number, since it uses less digits than its factorization.

22259390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22147.

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

The square root of 22259390 is about 4717.9857990460. The cubic root of 22259390 is about 281.3008770511.

The spelling of 22259390 in words is "twenty-two million, two hundred fifty-nine thousand, three hundred ninety".