22791074 has 4 divisors (see below), whose sum is σ = 34186614. Its totient is φ = 11395536.

The previous prime is 22791073. The next prime is 22791103. The reversal of 22791074 is 47019722.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 22705225 + 85849 = 4765^2 + 293^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22791074.

It is not an unprimeable number, because it can be changed into a prime (22791073) by changing a digit.

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 as a sum of consecutive naturals, namely, 5697767 + ... + 5697770.

Almost surely, 2^22791074 is an apocalyptic number.

22791074 is a deficient number, since it is larger than the sum of its proper divisors (11395540).

22791074 is a wasteful number, since it uses less digits than its factorization.

22791074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11395539.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 22791074 is about 4773.9997905320. Note that the first 3 decimals coincide. The cubic root of 22791074 is about 283.5229792243.

The spelling of 22791074 in words is "twenty-two million, seven hundred ninety-one thousand, seventy-four".