2275620 has 96 divisors (see below), whose sum is σ = 7112448. Its totient is φ = 540672.

The previous prime is 2275619. The next prime is 2275633. The reversal of 2275620 is 265722.

2275620 = T₄₆₇ + T₄₆₈ + ... + T₄₈₆.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23412 + ... + 23508.

It is an arithmetic number, because the mean of its divisors is an integer number (74088).

2^2275620 is an apocalyptic number.

2275620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2275620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3556224).

2275620 is an abundant number, since it is smaller than the sum of its proper divisors (4836828).

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

2275620 is a wasteful number, since it uses less digits than its factorization.

2275620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 2275620 is about 1508.5158268974. The cubic root of 2275620 is about 131.5325522885.

The spelling of 2275620 in words is "two million, two hundred seventy-five thousand, six hundred twenty".