2259018 has 24 divisors (see below), whose sum is σ = 5015556. Its totient is φ = 734400.

The previous prime is 2258987. The next prime is 2259029. The reversal of 2259018 is 8109522.

It can be written as a sum of positive squares in 2 ways, for example, as 2259009 + 9 = 1503^2 + 3^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2258982 and 2259000.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 793 + ... + 2268.

2^2259018 is an apocalyptic number.

2259018 is an abundant number, since it is smaller than the sum of its proper divisors (2756538).

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

2259018 is a wasteful number, since it uses less digits than its factorization.

2259018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3110 (or 3107 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 2259018 is about 1503.0029940090. The cubic root of 2259018 is about 131.2119018674.

The spelling of 2259018 in words is "two million, two hundred fifty-nine thousand, eighteen".