22666422 has 16 divisors (see below), whose sum is σ = 46558512. Its totient is φ = 7351200.

The previous prime is 22666421. The next prime is 22666439. The reversal of 22666422 is 22466622.

It is a self number, because there is not a number n which added to its sum of digits gives 22666422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22666421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50829 + ... + 51272.

It is an arithmetic number, because the mean of its divisors is an integer number (2909907).

Almost surely, 2^22666422 is an apocalyptic number.

22666422 is an abundant number, since it is smaller than the sum of its proper divisors (23892090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22666422 is a wasteful number, since it uses less digits than its factorization.

22666422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102143.

The product of its digits is 13824, while the sum is 30.

The square root of 22666422 is about 4760.9265904864. The cubic root of 22666422 is about 283.0051400216.

The spelling of 22666422 in words is "twenty-two million, six hundred sixty-six thousand, four hundred twenty-two".