22074786 has 12 divisors (see below), whose sum is σ = 47828742. Its totient is φ = 7358256.

The previous prime is 22074739. The next prime is 22074839. The reversal of 22074786 is 68747022.

It can be written as a sum of positive squares in only one way, i.e., 20875761 + 1199025 = 4569^2 + 1095^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 22074786.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 613171 + ... + 613206.

Almost surely, 2^22074786 is an apocalyptic number.

22074786 is an abundant number, since it is smaller than the sum of its proper divisors (25753956).

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

22074786 is a wasteful number, since it uses less digits than its factorization.

22074786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226385 (or 1226382 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 22074786 is about 4698.3812105873. The cubic root of 22074786 is about 280.5210789920.

The spelling of 22074786 in words is "twenty-two million, seventy-four thousand, seven hundred eighty-six".