22259822 has 8 divisors (see below), whose sum is σ = 35958216. Its totient is φ = 10273752.

The previous prime is 22259821. The next prime is 22259833. The reversal of 22259822 is 22895222.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22259821) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 428048 + ... + 428099.

It is an arithmetic number, because the mean of its divisors is an integer number (4494777).

Almost surely, 2^22259822 is an apocalyptic number.

22259822 is a deficient number, since it is larger than the sum of its proper divisors (13698394).

22259822 is a wasteful number, since it uses less digits than its factorization.

22259822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856162.

The product of its digits is 11520, while the sum is 32.

The square root of 22259822 is about 4718.0315810728. The cubic root of 22259822 is about 281.3026968254.

The spelling of 22259822 in words is "twenty-two million, two hundred fifty-nine thousand, eight hundred twenty-two".