52228843 has 4 divisors (see below), whose sum is σ = 52244280. Its totient is φ = 52213408.

The previous prime is 52228823. The next prime is 52228859. The reversal of 52228843 is 34882225.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52228843 is a prime.

It is a super-2 number, since 2×52228843² = 5455704082237298, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52228799 and 52228808.

It is not an unprimeable number, because it can be changed into a prime (52228823) 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, 205 + ... + 10222.

It is an arithmetic number, because the mean of its divisors is an integer number (13061070).

Almost surely, 2^52228843 is an apocalyptic number.

52228843 is a deficient number, since it is larger than the sum of its proper divisors (15437).

52228843 is a wasteful number, since it uses less digits than its factorization.

52228843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15436.

The product of its digits is 30720, while the sum is 34.

The square root of 52228843 is about 7226.9525389337. The cubic root of 52228843 is about 373.7978522863.

The spelling of 52228843 in words is "fifty-two million, two hundred twenty-eight thousand, eight hundred forty-three".