2708220 has 24 divisors (see below), whose sum is σ = 7583184. Its totient is φ = 722176.

The previous prime is 2708213. The next prime is 2708221. The reversal of 2708220 is 228072.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2708221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22509 + ... + 22628.

It is an arithmetic number, because the mean of its divisors is an integer number (315966).

2^2708220 is an apocalyptic number.

2708220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2708220 is an abundant number, since it is smaller than the sum of its proper divisors (4874964).

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

2708220 is a wasteful number, since it uses less digits than its factorization.

2708220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45149 (or 45147 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 2708220 is about 1645.6670380122. The cubic root of 2708220 is about 139.3888324397.

The spelling of 2708220 in words is "two million, seven hundred eight thousand, two hundred twenty".