22082790 has 16 divisors (see below), whose sum is σ = 52998768. Its totient is φ = 5888736.

The previous prime is 22082789. The next prime is 22082803. The reversal of 22082790 is 9728022.

It is a super-2 number, since 2×22082790² = 975299228368200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 736093 = 22082790 / (2 + 2 + 0 + 8 + 2 + 7 + 9 + 0).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 368017 + ... + 368076.

It is an arithmetic number, because the mean of its divisors is an integer number (3312423).

Almost surely, 2^22082790 is an apocalyptic number.

22082790 is an abundant number, since it is smaller than the sum of its proper divisors (30915978).

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

22082790 is a wasteful number, since it uses less digits than its factorization.

22082790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736103.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 22082790 is about 4699.2329161258. The cubic root of 22082790 is about 280.5549791984.

The spelling of 22082790 in words is "twenty-two million, eighty-two thousand, seven hundred ninety".