22355966 has 8 divisors (see below), whose sum is σ = 33554424. Its totient is φ = 11171160.

The previous prime is 22355941. The next prime is 22355987. The reversal of 22355966 is 66955322.

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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3416 + ... + 7508.

It is an arithmetic number, because the mean of its divisors is an integer number (4194303).

Almost surely, 2^22355966 is an apocalyptic number.

22355966 is a deficient number, since it is larger than the sum of its proper divisors (11198458).

22355966 is a wasteful number, since it uses less digits than its factorization.

22355966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6826.

The product of its digits is 97200, while the sum is 38.

The square root of 22355966 is about 4728.2095977230. The cubic root of 22355966 is about 281.7071133791.

The spelling of 22355966 in words is "twenty-two million, three hundred fifty-five thousand, nine hundred sixty-six".