22421966 has 8 divisors (see below), whose sum is σ = 38437680. Its totient is φ = 9609408.

The previous prime is 22421939. The next prime is 22421983. The reversal of 22421966 is 66912422.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 800771 + ... + 800798.

It is an arithmetic number, because the mean of its divisors is an integer number (4804710).

Almost surely, 2^22421966 is an apocalyptic number.

22421966 is a deficient number, since it is larger than the sum of its proper divisors (16015714).

22421966 is a wasteful number, since it uses less digits than its factorization.

22421966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601578.

The product of its digits is 10368, while the sum is 32.

The square root of 22421966 is about 4735.1838401481. The cubic root of 22421966 is about 281.9840626105.

The spelling of 22421966 in words is "twenty-two million, four hundred twenty-one thousand, nine hundred sixty-six".