2288250 has 80 divisors (see below), whose sum is σ = 6455592. Its totient is φ = 604800.

The previous prime is 2288249. The next prime is 2288257. The reversal of 2288250 is 528822.

It can be written as a sum of positive squares in 4 ways, for example, as 136161 + 2152089 = 369^2 + 1467^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2288257) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 20194 + ... + 20306.

2^2288250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2288250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3227796).

2288250 is an abundant number, since it is smaller than the sum of its proper divisors (4167342).

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

2288250 is a wasteful number, since it uses less digits than its factorization.

2288250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 2288250 is about 1512.6962682574. The cubic root of 2288250 is about 131.7754446545.

The spelling of 2288250 in words is "two million, two hundred eighty-eight thousand, two hundred fifty".