2292388 has 48 divisors (see below), whose sum is σ = 5017600. Its totient is φ = 894240.

The previous prime is 2292371. The next prime is 2292391. The reversal of 2292388 is 8832922.

It is a happy number.

2292388 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16423 + ... + 16561.

2^2292388 is an apocalyptic number.

2292388 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 2292388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2508800).

2292388 is an abundant number, since it is smaller than the sum of its proper divisors (2725212).

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

2292388 is a wasteful number, since it uses less digits than its factorization.

2292388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200 (or 198 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 2292388 is about 1514.0634068625. The cubic root of 2292388 is about 131.8548296906.

The spelling of 2292388 in words is "two million, two hundred ninety-two thousand, three hundred eighty-eight".