22355668 has 12 divisors (see below), whose sum is σ = 39342240. Its totient is φ = 11115032.

The previous prime is 22355653. The next prime is 22355677. The reversal of 22355668 is 86655322.

It is a happy number.

It is a plaindrome in base 10.

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, 14896 + ... + 16327.

It is an arithmetic number, because the mean of its divisors is an integer number (3278520).

Almost surely, 2^22355668 is an apocalyptic number.

It is an amenable number.

22355668 is a deficient number, since it is larger than the sum of its proper divisors (16986572).

22355668 is a wasteful number, since it uses less digits than its factorization.

22355668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31406 (or 31404 counting only the distinct ones).

The product of its digits is 86400, while the sum is 37.

The square root of 22355668 is about 4728.1780846326. The cubic root of 22355668 is about 281.7058616760.

The spelling of 22355668 in words is "twenty-two million, three hundred fifty-five thousand, six hundred sixty-eight".