2290044 has 12 divisors (see below), whose sum is σ = 5343464. Its totient is φ = 763344.

The previous prime is 2290039. The next prime is 2290049. The reversal of 2290044 is 4400922.

It is an interprime number because it is at equal distance from previous prime (2290039) and next prime (2290049).

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 2290044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2290049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95407 + ... + 95430.

2^2290044 is an apocalyptic number.

It is an amenable number.

2290044 is an abundant number, since it is smaller than the sum of its proper divisors (3053420).

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

2290044 is a wasteful number, since it uses less digits than its factorization.

2290044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190844 (or 190842 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2290044 is about 1513.2891329815. The cubic root of 2290044 is about 131.8098732053.

Adding to 2290044 its reverse (4400922), we get a palindrome (6690966).

The spelling of 2290044 in words is "two million, two hundred ninety thousand, forty-four".