2022290 has 16 divisors (see below), whose sum is σ = 3725568. Its totient is φ = 789936.

The previous prime is 2022289. The next prime is 2022301. The reversal of 2022290 is 922202.

It is a happy 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, 1922 + ... + 2781.

It is an arithmetic number, because the mean of its divisors is an integer number (232848).

2^2022290 is an apocalyptic number.

2022290 is a deficient number, since it is larger than the sum of its proper divisors (1703278).

2022290 is a wasteful number, since it uses less digits than its factorization.

2022290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4753.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2022290 is about 1422.0724313480. The cubic root of 2022290 is about 126.4584375011.

Adding to 2022290 its reverse (922202), we get a palindrome (2944492).

The spelling of 2022290 in words is "two million, twenty-two thousand, two hundred ninety".