2245944 has 16 divisors (see below), whose sum is σ = 5614920. Its totient is φ = 748640.

The previous prime is 2245931. The next prime is 2245951. The reversal of 2245944 is 4495422.

It is a super-2 number, since 2×2245944² = 10088528902272, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2 + 2²¹ + 4⁵ + 5⁷ + 9 + 4⁶ + 4⁸ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46767 + ... + 46814.

2^2245944 is an apocalyptic number.

2245944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2245944 is an abundant number, since it is smaller than the sum of its proper divisors (3368976).

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

2245944 is a wasteful number, since it uses less digits than its factorization.

2245944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93590 (or 93586 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

The square root of 2245944 is about 1498.6473901489. The cubic root of 2245944 is about 130.9582836306.

The spelling of 2245944 in words is "two million, two hundred forty-five thousand, nine hundred forty-four".