2200045444 has 12 divisors (see below), whose sum is σ = 3982841100. Its totient is φ = 1062090848.

The previous prime is 2200045409. The next prime is 2200045451. The reversal of 2200045444 is 4445400022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1687566400 + 512479044 = 41080^2 + 22638^2 .

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, 9482839 + ... + 9483070.

It is an arithmetic number, because the mean of its divisors is an integer number (331903425).

Almost surely, 2^2200045444 is an apocalyptic number.

It is an amenable number.

2200045444 is a deficient number, since it is larger than the sum of its proper divisors (1782795656).

2200045444 is a wasteful number, since it uses less digits than its factorization.

2200045444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18965942 (or 18965940 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 2200045444 is about 46904.6420304004. The cubic root of 2200045444 is about 1300.6004019530.

Adding to 2200045444 its reverse (4445400022), we get a palindrome (6645445466).

The spelling of 2200045444 in words is "two billion, two hundred million, forty-five thousand, four hundred forty-four".