2622290 has 32 divisors (see below), whose sum is σ = 5322240. Its totient is φ = 921600.

The previous prime is 2622287. The next prime is 2622293. The reversal of 2622290 is 922262.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2622287) and next prime (2622293).

It is not an unprimeable number, because it can be changed into a prime (2622293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3026 + ... + 3794.

It is an arithmetic number, because the mean of its divisors is an integer number (166320).

2^2622290 is an apocalyptic number.

2622290 is an abundant number, since it is smaller than the sum of its proper divisors (2699950).

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

2622290 is a wasteful number, since it uses less digits than its factorization.

2622290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 2622290 is about 1619.3486344824. The cubic root of 2622290 is about 137.8987214608.

It can be divided in two parts, 262 and 2290, that added together give a palindrome (2552).

The spelling of 2622290 in words is "two million, six hundred twenty-two thousand, two hundred ninety".