22832290 has 16 divisors (see below), whose sum is σ = 44259768. Its totient is φ = 8430336.

The previous prime is 22832237. The next prime is 22832291. The reversal of 22832290 is 9223822.

It can be written as a sum of positive squares in 4 ways, for example, as 12341169 + 10491121 = 3513^2 + 3239^2 .

It is not an unprimeable number, because it can be changed into a prime (22832291) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 87687 + ... + 87946.

Almost surely, 2^22832290 is an apocalyptic number.

22832290 is a deficient number, since it is larger than the sum of its proper divisors (21427478).

22832290 is a wasteful number, since it uses less digits than its factorization.

22832290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175653.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 22832290 is about 4778.3145564100. The cubic root of 22832290 is about 283.6937865317.

The spelling of 22832290 in words is "twenty-two million, eight hundred thirty-two thousand, two hundred ninety".