2241990 has 48 divisors (see below), whose sum is σ = 6037200. Its totient is φ = 576576.

The previous prime is 2241989. The next prime is 2242027. The reversal of 2241990 is 991422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2181 + ... + 3039.

It is an arithmetic number, because the mean of its divisors is an integer number (125775).

2^2241990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2241990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3018600).

2241990 is an abundant number, since it is smaller than the sum of its proper divisors (3795210).

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

2241990 is a wasteful number, since it uses less digits than its factorization.

2241990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901 (or 898 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 2241990 is about 1497.3276194608. The cubic root of 2241990 is about 130.8813874984.

The spelling of 2241990 in words is "two million, two hundred forty-one thousand, nine hundred ninety".