2259550 has 12 divisors (see below), whose sum is σ = 4202856. Its totient is φ = 903800.

The previous prime is 2259539. The next prime is 2259557. The reversal of 2259550 is 559522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2259557) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22546 + ... + 22645.

It is an arithmetic number, because the mean of its divisors is an integer number (350238).

2^2259550 is an apocalyptic number.

2259550 is a deficient number, since it is larger than the sum of its proper divisors (1943306).

2259550 is a wasteful number, since it uses less digits than its factorization.

2259550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45203 (or 45198 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 2259550 is about 1503.1799626126. The cubic root of 2259550 is about 131.2222012177. Note that the first 4 decimals are identical.

Subtracting from 2259550 its sum of digits (28), we obtain a palindrome (2259522).

It can be divided in two parts, 2259 and 550, that added together give a square (2809 = 53²).

The spelling of 2259550 in words is "two million, two hundred fifty-nine thousand, five hundred fifty".