22456622 has 4 divisors (see below), whose sum is σ = 33684936. Its totient is φ = 11228310.

The previous prime is 22456607. The next prime is 22456627. The reversal of 22456622 is 22665422.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22456627) 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 as a sum of consecutive naturals, namely, 5614154 + ... + 5614157.

It is an arithmetic number, because the mean of its divisors is an integer number (8421234).

Almost surely, 2^22456622 is an apocalyptic number.

22456622 is a deficient number, since it is larger than the sum of its proper divisors (11228314).

22456622 is a wasteful number, since it uses less digits than its factorization.

22456622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11228313.

The product of its digits is 11520, while the sum is 29.

The square root of 22456622 is about 4738.8418416318. The cubic root of 22456622 is about 282.1292685683.

The spelling of 22456622 in words is "twenty-two million, four hundred fifty-six thousand, six hundred twenty-two".