22290794 has 8 divisors (see below), whose sum is σ = 33781188. Its totient is φ = 11030400.

The previous prime is 22290787. The next prime is 22290799. The reversal of 22290794 is 49709222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19245769 + 3045025 = 4387^2 + 1745^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (22290799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57257 + ... + 57644.

Almost surely, 2^22290794 is an apocalyptic number.

22290794 is a deficient number, since it is larger than the sum of its proper divisors (11490394).

22290794 is a wasteful number, since it uses less digits than its factorization.

22290794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115000.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 22290794 is about 4721.3127411770. The cubic root of 22290794 is about 281.4331032204.

The spelling of 22290794 in words is "twenty-two million, two hundred ninety thousand, seven hundred ninety-four".