2251158 has 96 divisors (see below), whose sum is σ = 6128640. Its totient is φ = 544320.

The previous prime is 2251153. The next prime is 2251163. The reversal of 2251158 is 8511522.

It is an interprime number because it is at equal distance from previous prime (2251153) and next prime (2251163).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2251153) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 72603 + ... + 72633.

It is an arithmetic number, because the mean of its divisors is an integer number (63840).

2^2251158 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2251158, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3064320).

2251158 is an abundant number, since it is smaller than the sum of its proper divisors (3877482).

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

2251158 is a wasteful number, since it uses less digits than its factorization.

2251158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82 (or 75 counting only the distinct ones).

The product of its digits is 800, while the sum is 24.

The square root of 2251158 is about 1500.3859503474. The cubic root of 2251158 is about 131.0595459922.

The spelling of 2251158 in words is "two million, two hundred fifty-one thousand, one hundred fifty-eight".