52222231 has 2 divisors, whose sum is σ = 52222232. Its totient is φ = 52222230.

The previous prime is 52222223. The next prime is 52222237. The reversal of 52222231 is 13222225.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52222231 - 2³ = 52222223 is a prime.

It is a super-2 number, since 2×52222231² = 5454322821234722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52222199 and 52222208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52222237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26111115 + 26111116.

It is an arithmetic number, because the mean of its divisors is an integer number (26111116).

Almost surely, 2^52222231 is an apocalyptic number.

52222231 is a deficient number, since it is larger than the sum of its proper divisors (1).

52222231 is an equidigital number, since it uses as much as digits as its factorization.

52222231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 480, while the sum is 19.

The square root of 52222231 is about 7226.4950702260. The cubic root of 52222231 is about 373.7820777604.

Adding to 52222231 its reverse (13222225), we get a palindrome (65444456).

The spelling of 52222231 in words is "fifty-two million, two hundred twenty-two thousand, two hundred thirty-one".