22082290 has 8 divisors (see below), whose sum is σ = 39748140. Its totient is φ = 8832912.

The previous prime is 22082267. The next prime is 22082293. The reversal of 22082290 is 9228022.

It can be written as a sum of positive squares in 2 ways, for example, as 21780889 + 301401 = 4667^2 + 549^2 .

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 (22082293) 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 in 3 ways as a sum of consecutive naturals, for example, 1104105 + ... + 1104124.

Almost surely, 2^22082290 is an apocalyptic number.

22082290 is a deficient number, since it is larger than the sum of its proper divisors (17665850).

22082290 is a wasteful number, since it uses less digits than its factorization.

22082290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2208236.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 22082290 is about 4699.1797156525. The cubic root of 22082290 is about 280.5528617342.

The spelling of 22082290 in words is "twenty-two million, eighty-two thousand, two hundred ninety".