4421890244 has 12 divisors (see below), whose sum is σ = 7865165868. Its totient is φ = 2174700000.

The previous prime is 4421890241. The next prime is 4421890261. The reversal of 4421890244 is 4420981244.

It can be written as a sum of positive squares in 2 ways, for example, as 55323844 + 4366566400 = 7438^2 + 66080^2 .

It is a super-2 number, since 2×4421890244² = 39106226659964759072, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4421890198 and 4421890207.

It is not an unprimeable number, because it can be changed into a prime (4421890241) 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, 9061007 + ... + 9061494.

It is an arithmetic number, because the mean of its divisors is an integer number (655430489).

Almost surely, 2^4421890244 is an apocalyptic number.

It is an amenable number.

4421890244 is a deficient number, since it is larger than the sum of its proper divisors (3443275624).

4421890244 is a wasteful number, since it uses less digits than its factorization.

4421890244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18122566 (or 18122564 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 38.

The square root of 4421890244 is about 66497.2950126545. The cubic root of 4421890244 is about 1641.3554929720.

The spelling of 4421890244 in words is "four billion, four hundred twenty-one million, eight hundred ninety thousand, two hundred forty-four".