2265520 has 20 divisors (see below), whose sum is σ = 5267520. Its totient is φ = 906176.

The previous prime is 2265517. The next prime is 2265521. The reversal of 2265520 is 255622.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 2265491 and 2265500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2265521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14080 + ... + 14239.

It is an arithmetic number, because the mean of its divisors is an integer number (263376).

2^2265520 is an apocalyptic number.

2265520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2265520 is an abundant number, since it is smaller than the sum of its proper divisors (3002000).

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

2265520 is a wasteful number, since it uses less digits than its factorization.

2265520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28332 (or 28326 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 2265520 is about 1505.1644428434. The cubic root of 2265520 is about 131.3376678091.

The spelling of 2265520 in words is "two million, two hundred sixty-five thousand, five hundred twenty".