2265588 has 72 divisors (see below), whose sum is σ = 6359808. Its totient is φ = 675648.

The previous prime is 2265587. The next prime is 2265589. The reversal of 2265588 is 8855622.

It is an interprime number because it is at equal distance from previous prime (2265587) and next prime (2265589).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2265581) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21945 + ... + 22047.

2^2265588 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2265588, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3179904).

2265588 is an abundant number, since it is smaller than the sum of its proper divisors (4094220).

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

2265588 is a wasteful number, since it uses less digits than its factorization.

2265588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173 (or 168 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The square root of 2265588 is about 1505.1870315678. The cubic root of 2265588 is about 131.3389818374.

The spelling of 2265588 in words is "two million, two hundred sixty-five thousand, five hundred eighty-eight".