52224643 has 2 divisors, whose sum is σ = 52224644. Its totient is φ = 52224642.

The previous prime is 52224581. The next prime is 52224647. The reversal of 52224643 is 34642225.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52224643 - 2¹⁷ = 52093571 is a prime.

It is equal to p_3126475 and since 52224643 and 3126475 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (52224647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26112321 + 26112322.

It is an arithmetic number, because the mean of its divisors is an integer number (26112322).

Almost surely, 2^52224643 is an apocalyptic number.

52224643 is a deficient number, since it is larger than the sum of its proper divisors (1).

52224643 is an equidigital number, since it uses as much as digits as its factorization.

52224643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 28.

The square root of 52224643 is about 7226.6619541805. The cubic root of 52224643 is about 373.7878323243.

Adding to 52224643 its reverse (34642225), we get a palindrome (86866868).

The spelling of 52224643 in words is "fifty-two million, two hundred twenty-four thousand, six hundred forty-three".