2290288 has 90 divisors (see below), whose sum is σ = 6036072. Its totient is φ = 823680.

The previous prime is 2290283. The next prime is 2290339. The reversal of 2290288 is 8820922.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2290283) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 176170 + ... + 176182.

2^2290288 is an apocalyptic number.

2290288 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2290288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3018036).

2290288 is an abundant number, since it is smaller than the sum of its proper divisors (3745784).

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

2290288 is a wasteful number, since it uses less digits than its factorization.

2290288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63 (or 33 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 2290288 is about 1513.3697499289. The cubic root of 2290288 is about 131.8145544060.

The spelling of 2290288 in words is "two million, two hundred ninety thousand, two hundred eighty-eight".