22804290 has 24 divisors (see below), whose sum is σ = 59291388. Its totient is φ = 6081120.

The previous prime is 22804289. The next prime is 22804291. The reversal of 22804290 is 9240822.

It is an interprime number because it is at equal distance from previous prime (22804289) and next prime (22804291).

It can be written as a sum of positive squares in 2 ways, for example, as 21818241 + 986049 = 4671^2 + 993^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22804291) 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, 126601 + ... + 126780.

Almost surely, 2^22804290 is an apocalyptic number.

22804290 is an abundant number, since it is smaller than the sum of its proper divisors (36487098).

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

22804290 is a wasteful number, since it uses less digits than its factorization.

22804290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253394 (or 253391 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 22804290 is about 4775.3837542128. The cubic root of 22804290 is about 283.5777713717.

The spelling of 22804290 in words is "twenty-two million, eight hundred four thousand, two hundred ninety".