5221998 has 24 divisors (see below), whose sum is σ = 11910600. Its totient is φ = 1648944.

The previous prime is 5221987. The next prime is 5222011. The reversal of 5221998 is 8991225.

It is a super-2 number, since 2×5221998² = 54538526224008, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7293 + ... + 7976.

It is an arithmetic number, because the mean of its divisors is an integer number (496275).

Almost surely, 2^5221998 is an apocalyptic number.

5221998 is an abundant number, since it is smaller than the sum of its proper divisors (6688602).

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

5221998 is a wasteful number, since it uses less digits than its factorization.

5221998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15296 (or 15293 counting only the distinct ones).

The product of its digits is 12960, while the sum is 36.

The square root of 5221998 is about 2285.1691403483. The cubic root of 5221998 is about 173.4917790179.

The spelling of 5221998 in words is "five million, two hundred twenty-one thousand, nine hundred ninety-eight".