52522229 has 2 divisors, whose sum is σ = 52522230. Its totient is φ = 52522228.

The previous prime is 52522207. The next prime is 52522237. The reversal of 52522229 is 92222525.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29702500 + 22819729 = 5450^2 + 4777^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52522229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52522279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26261114 + 26261115.

It is an arithmetic number, because the mean of its divisors is an integer number (26261115).

Almost surely, 2^52522229 is an apocalyptic number.

It is an amenable number.

52522229 is a deficient number, since it is larger than the sum of its proper divisors (1).

52522229 is an equidigital number, since it uses as much as digits as its factorization.

52522229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7200, while the sum is 29.

The square root of 52522229 is about 7247.2221574890. Note that the first 3 decimals coincide. The cubic root of 52522229 is about 374.4964595688.

The spelling of 52522229 in words is "fifty-two million, five hundred twenty-two thousand, two hundred twenty-nine".