22009258 has 16 divisors (see below), whose sum is σ = 35082720. Its totient is φ = 10326096.

The previous prime is 22009241. The next prime is 22009261. The reversal of 22009258 is 85290022.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1360 + ... + 6772.

It is an arithmetic number, because the mean of its divisors is an integer number (2192670).

Almost surely, 2^22009258 is an apocalyptic number.

22009258 is a deficient number, since it is larger than the sum of its proper divisors (13073462).

22009258 is a wasteful number, since it uses less digits than its factorization.

22009258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5541.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 22009258 is about 4691.4025621343. The cubic root of 22009258 is about 280.2432325233.

The spelling of 22009258 in words is "twenty-two million, nine thousand, two hundred fifty-eight".