2568220 has 12 divisors (see below), whose sum is σ = 5393304. Its totient is φ = 1027280.

The previous prime is 2568197. The next prime is 2568233. The reversal of 2568220 is 228652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64186 + ... + 64225.

It is an arithmetic number, because the mean of its divisors is an integer number (449442).

2^2568220 is an apocalyptic number.

2568220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2568220 is an abundant number, since it is smaller than the sum of its proper divisors (2825084).

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

2568220 is a wasteful number, since it uses less digits than its factorization.

2568220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128420 (or 128418 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 2568220 is about 1602.5666912800. The cubic root of 2568220 is about 136.9443359919.

The spelling of 2568220 in words is "two million, five hundred sixty-eight thousand, two hundred twenty".