4489722 has 64 divisors (see below), whose sum is σ = 10713600. Its totient is φ = 1391040.

The previous prime is 4489721. The next prime is 4489733. The reversal of 4489722 is 2279844.

It is a d-powerful number, because it can be written as 4⁷ + 4⁹ + 8⁷ + 9² + 7⁵ + 2 + 2²¹ .

It is not an unprimeable number, because it can be changed into a prime (4489721) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73572 + ... + 73632.

It is an arithmetic number, because the mean of its divisors is an integer number (167400).

Almost surely, 2^4489722 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4489722, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5356800).

4489722 is an abundant number, since it is smaller than the sum of its proper divisors (6223878).

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

4489722 is a wasteful number, since it uses less digits than its factorization.

4489722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148 (or 142 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 4489722 is about 2118.8964108705. The cubic root of 4489722 is about 164.9705732646.

The spelling of 4489722 in words is "four million, four hundred eighty-nine thousand, seven hundred twenty-two".