4445238224 has 40 divisors (see below), whose sum is σ = 9848298240. Its totient is φ = 1904082048.

The previous prime is 4445238143. The next prime is 4445238253. The reversal of 4445238224 is 4228325444.

It is a super-2 number, since 2×4445238224² = 39520285736221348352, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222137 + ... + 241319.

It is an arithmetic number, because the mean of its divisors is an integer number (246207456).

Almost surely, 2^4445238224 is an apocalyptic number.

It is an amenable number.

4445238224 is an abundant number, since it is smaller than the sum of its proper divisors (5403060016).

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

4445238224 is a wasteful number, since it uses less digits than its factorization.

4445238224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21267 (or 21261 counting only the distinct ones).

The product of its digits is 245760, while the sum is 38.

The square root of 4445238224 is about 66672.6197475395. The cubic root of 4445238224 is about 1644.2392584966.

The spelling of 4445238224 in words is "four billion, four hundred forty-five million, two hundred thirty-eight thousand, two hundred twenty-four".