22646422 has 8 divisors (see below), whose sum is σ = 34306272. Its totient is φ = 11211000.

The previous prime is 22646417. The next prime is 22646447. The reversal of 22646422 is 22464622.

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

It is a congruent number.

It is an unprimeable number.

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, 55854 + ... + 56257.

It is an arithmetic number, because the mean of its divisors is an integer number (4288284).

Almost surely, 2^22646422 is an apocalyptic number.

22646422 is a deficient number, since it is larger than the sum of its proper divisors (11659850).

22646422 is a wasteful number, since it uses less digits than its factorization.

22646422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112214.

The product of its digits is 9216, while the sum is 28.

The square root of 22646422 is about 4758.8256954841. The cubic root of 22646422 is about 282.9218778233.

The spelling of 22646422 in words is "twenty-two million, six hundred forty-six thousand, four hundred twenty-two".