22266774 has 12 divisors (see below), whose sum is σ = 48244716. Its totient is φ = 7422252.

The previous prime is 22266757. The next prime is 22266781. The reversal of 22266774 is 47766222.

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 5 ways as a sum of consecutive naturals, for example, 618504 + ... + 618539.

It is an arithmetic number, because the mean of its divisors is an integer number (4020393).

Almost surely, 2^22266774 is an apocalyptic number.

22266774 is an abundant number, since it is smaller than the sum of its proper divisors (25977942).

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

22266774 is a wasteful number, since it uses less digits than its factorization.

22266774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1237051 (or 1237048 counting only the distinct ones).

The product of its digits is 56448, while the sum is 36.

The square root of 22266774 is about 4718.7682714878. The cubic root of 22266774 is about 281.3319784730.

The spelling of 22266774 in words is "twenty-two million, two hundred sixty-six thousand, seven hundred seventy-four".