52228819 has 2 divisors, whose sum is σ = 52228820. Its totient is φ = 52228818.

The previous prime is 52228751. The next prime is 52228823. The reversal of 52228819 is 91882225.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52228819 - 2¹³ = 52220627 is a prime.

It is a super-2 number, since 2×52228819² = 5455699068269522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (52228859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26114409 + 26114410.

It is an arithmetic number, because the mean of its divisors is an integer number (26114410).

Almost surely, 2^52228819 is an apocalyptic number.

52228819 is a deficient number, since it is larger than the sum of its proper divisors (1).

52228819 is an equidigital number, since it uses as much as digits as its factorization.

52228819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 37.

The square root of 52228819 is about 7226.9508784826. The cubic root of 52228819 is about 373.7977950309.

It can be divided in two parts, 5222 and 8819, that added together give a palindrome (14041).

The spelling of 52228819 in words is "fifty-two million, two hundred twenty-eight thousand, eight hundred nineteen".