4460221644 has 48 divisors (see below), whose sum is σ = 10560527712. Its totient is φ = 1464988672.

The previous prime is 4460221637. The next prime is 4460221679. The reversal of 4460221644 is 4461220644.

It is a super-2 number, since 2×4460221644² = 39787154227212125472, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225082 + ... + 244094.

It is an arithmetic number, because the mean of its divisors is an integer number (220010994).

Almost surely, 2^4460221644 is an apocalyptic number.

It is an amenable number.

4460221644 is an abundant number, since it is smaller than the sum of its proper divisors (6100306068).

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

4460221644 is a wasteful number, since it uses less digits than its factorization.

4460221644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19306 (or 19304 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 33.

The square root of 4460221644 is about 66784.8908361764. The cubic root of 4460221644 is about 1646.0845813326.

The spelling of 4460221644 in words is "four billion, four hundred sixty million, two hundred twenty-one thousand, six hundred forty-four".