2258550 has 96 divisors (see below), whose sum is σ = 7142400. Its totient is φ = 514080.

The previous prime is 2258539. The next prime is 2258561. The reversal of 2258550 is 558522.

It is an interprime number because it is at equal distance from previous prime (2258539) and next prime (2258561).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9331 + ... + 9569.

It is an arithmetic number, because the mean of its divisors is an integer number (74400).

2^2258550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2258550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3571200).

2258550 is an abundant number, since it is smaller than the sum of its proper divisors (4883850).

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

2258550 is a wasteful number, since it uses less digits than its factorization.

2258550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 2258550 is about 1502.8472976321. The cubic root of 2258550 is about 131.2028401998.

The spelling of 2258550 in words is "two million, two hundred fifty-eight thousand, five hundred fifty".