22456222 has 8 divisors (see below), whose sum is σ = 33728400. Its totient is φ = 11213424.

The previous prime is 22456219. The next prime is 22456223. The reversal of 22456222 is 22265422.

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 (22456223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5322 + ... + 8557.

It is an arithmetic number, because the mean of its divisors is an integer number (4216050).

Almost surely, 2^22456222 is an apocalyptic number.

22456222 is a deficient number, since it is larger than the sum of its proper divisors (11272178).

22456222 is a wasteful number, since it uses less digits than its factorization.

22456222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14690.

The product of its digits is 3840, while the sum is 25.

The square root of 22456222 is about 4738.7996370389. The cubic root of 22456222 is about 282.1275934517.

The spelling of 22456222 in words is "twenty-two million, four hundred fifty-six thousand, two hundred twenty-two".