2265550 has 24 divisors (see below), whose sum is σ = 4816656. Its totient is φ = 776640.

The previous prime is 2265521. The next prime is 2265551. The reversal of 2265550 is 555622.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2265551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2887 + ... + 3586.

It is an arithmetic number, because the mean of its divisors is an integer number (200694).

2^2265550 is an apocalyptic number.

2265550 is an abundant number, since it is smaller than the sum of its proper divisors (2551106).

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

2265550 is a wasteful number, since it uses less digits than its factorization.

2265550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6492 (or 6487 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 2265550 is about 1505.1744084989. The cubic root of 2265550 is about 131.3382475307.

It can be divided in two parts, 226 and 5550, that added together give a square (5776 = 76²).

The spelling of 2265550 in words is "two million, two hundred sixty-five thousand, five hundred fifty".