5728422 has 64 divisors (see below), whose sum is σ = 14183424. Its totient is φ = 1505280.

The previous prime is 5728409. The next prime is 5728441. The reversal of 5728422 is 2248275.

It is a super-2 number, since 2×5728422² = 65629637220168, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5728422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50638 + ... + 50750.

It is an arithmetic number, because the mean of its divisors is an integer number (221616).

Almost surely, 2^5728422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5728422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7091712).

5728422 is an abundant number, since it is smaller than the sum of its proper divisors (8455002).

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

5728422 is a wasteful number, since it uses less digits than its factorization.

5728422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213.

The product of its digits is 8960, while the sum is 30.

The square root of 5728422 is about 2393.4122085424. The cubic root of 5728422 is about 178.9280111672.

The spelling of 5728422 in words is "five million, seven hundred twenty-eight thousand, four hundred twenty-two".