2298772 has 48 divisors (see below), whose sum is σ = 5040000. Its totient is φ = 895104.

The previous prime is 2298763. The next prime is 2298787. The reversal of 2298772 is 2778922.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15354 + ... + 15502.

It is an arithmetic number, because the mean of its divisors is an integer number (105000).

2^2298772 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2298772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2520000).

2298772 is an abundant number, since it is smaller than the sum of its proper divisors (2741228).

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

2298772 is a wasteful number, since it uses less digits than its factorization.

2298772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208 (or 206 counting only the distinct ones).

The product of its digits is 28224, while the sum is 37.

The square root of 2298772 is about 1516.1701751453. The cubic root of 2298772 is about 131.9771157145.

The spelling of 2298772 in words is "two million, two hundred ninety-eight thousand, seven hundred seventy-two".