52228439 has 2 divisors, whose sum is σ = 52228440. Its totient is φ = 52228438.

The previous prime is 52228427. The next prime is 52228453. The reversal of 52228439 is 93482225.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52228439 - 2¹² = 52224343 is a prime.

It is a Chen prime.

It is equal to p_3126689 and since 52228439 and 3126689 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 52228399 and 52228408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52228409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26114219 + 26114220.

It is an arithmetic number, because the mean of its divisors is an integer number (26114220).

Almost surely, 2^52228439 is an apocalyptic number.

52228439 is a deficient number, since it is larger than the sum of its proper divisors (1).

52228439 is an equidigital number, since it uses as much as digits as its factorization.

52228439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 35.

The square root of 52228439 is about 7226.9245879558. The cubic root of 52228439 is about 373.7968884847.

The spelling of 52228439 in words is "fifty-two million, two hundred twenty-eight thousand, four hundred thirty-nine".