2292444 has 72 divisors (see below), whose sum is σ = 7233408. Its totient is φ = 594720.

The previous prime is 2292439. The next prime is 2292449. The reversal of 2292444 is 4442922.

It is an interprime number because it is at equal distance from previous prime (2292439) and next prime (2292449).

It is a nude number because it is divisible by every one of its digits.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2292449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2359 + ... + 3185.

It is an arithmetic number, because the mean of its divisors is an integer number (100464).

2^2292444 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 2292444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3616704).

2292444 is an abundant number, since it is smaller than the sum of its proper divisors (4940964).

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

2292444 is a wasteful number, since it uses less digits than its factorization.

2292444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855 (or 850 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 2292444 is about 1514.0819000305. The cubic root of 2292444 is about 131.8559033615.

The spelling of 2292444 in words is "two million, two hundred ninety-two thousand, four hundred forty-four".