52224197 has 2 divisors, whose sum is σ = 52224198. Its totient is φ = 52224196.

The previous prime is 52224169. The next prime is 52224203. The reversal of 52224197 is 79142225.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33570436 + 18653761 = 5794^2 + 4319^2 .

It is a cyclic number.

It is not a de Polignac number, because 52224197 - 2²² = 48029893 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52224397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26112098 + 26112099.

It is an arithmetic number, because the mean of its divisors is an integer number (26112099).

Almost surely, 2^52224197 is an apocalyptic number.

It is an amenable number.

52224197 is a deficient number, since it is larger than the sum of its proper divisors (1).

52224197 is an equidigital number, since it uses as much as digits as its factorization.

52224197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 32.

The square root of 52224197 is about 7226.6310961609. The cubic root of 52224197 is about 373.7867682682.

The spelling of 52224197 in words is "fifty-two million, two hundred twenty-four thousand, one hundred ninety-seven".