44224290 has 144 divisors (see below), whose sum is σ = 131459328. Its totient is φ = 10296000.

The previous prime is 44224261. The next prime is 44224291. The reversal of 44224290 is 9242244.

It is not an unprimeable number, because it can be changed into a prime (44224291) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 337525 + ... + 337655.

It is an arithmetic number, because the mean of its divisors is an integer number (912912).

Almost surely, 2^44224290 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44224290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65729664).

44224290 is an abundant number, since it is smaller than the sum of its proper divisors (87235038).

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

44224290 is a wasteful number, since it uses less digits than its factorization.

44224290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 44224290 is about 6650.1345851043. The cubic root of 44224290 is about 353.6336821600.

The spelling of 44224290 in words is "forty-four million, two hundred twenty-four thousand, two hundred ninety".