22091274 has 24 divisors (see below), whose sum is σ = 48292452. Its totient is φ = 7297920.

The previous prime is 22091273. The next prime is 22091291. The reversal of 22091274 is 47219022.

It can be written as a sum of positive squares in 2 ways, for example, as 19053225 + 3038049 = 4365^2 + 1743^2 .

It is not an unprimeable number, because it can be changed into a prime (22091273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3397 + ... + 7464.

Almost surely, 2^22091274 is an apocalyptic number.

22091274 is an abundant number, since it is smaller than the sum of its proper divisors (26201178).

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

22091274 is a wasteful number, since it uses less digits than its factorization.

22091274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10982 (or 10979 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 22091274 is about 4700.1355299608. The cubic root of 22091274 is about 280.5909034587.

The spelling of 22091274 in words is "twenty-two million, ninety-one thousand, two hundred seventy-four".