5228442881 has 4 divisors (see below), whose sum is σ = 5282344452. Its totient is φ = 5174541312.

The previous prime is 5228442833. The next prime is 5228442907. The reversal of 5228442881 is 1882448225.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1749330625 + 3479112256 = 41825^2 + 58984^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5228442881 is a prime.

It is a super-2 number, since 2×5228442881² = 54673229919759160322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5228442811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26950640 + ... + 26950833.

It is an arithmetic number, because the mean of its divisors is an integer number (1320586113).

Almost surely, 2^5228442881 is an apocalyptic number.

It is an amenable number.

5228442881 is a deficient number, since it is larger than the sum of its proper divisors (53901571).

5228442881 is an equidigital number, since it uses as much as digits as its factorization.

5228442881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53901570.

The product of its digits is 327680, while the sum is 44.

The square root of 5228442881 is about 72307.9724580907. The cubic root of 5228442881 is about 1735.6312298704.

The spelling of 5228442881 in words is "five billion, two hundred twenty-eight million, four hundred forty-two thousand, eight hundred eighty-one".