974224243 has 2 divisors, whose sum is σ = 974224244. Its totient is φ = 974224242.

The previous prime is 974224187. The next prime is 974224249. The reversal of 974224243 is 342422479.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-974224243 is a prime.

It is a super-2 number, since 2×974224243² = 1898225751297846098, which contains 22 as substring.

It is equal to p_49602781 and since 974224243 and 49602781 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 (974224249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487112121 + 487112122.

It is an arithmetic number, because the mean of its divisors is an integer number (487112122).

Almost surely, 2^974224243 is an apocalyptic number.

974224243 is a deficient number, since it is larger than the sum of its proper divisors (1).

974224243 is an equidigital number, since it uses as much as digits as its factorization.

974224243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 37.

The square root of 974224243 is about 31212.5654664912. The cubic root of 974224243 is about 991.3331843045. Note that the first 3 decimals are identical.

The spelling of 974224243 in words is "nine hundred seventy-four million, two hundred twenty-four thousand, two hundred forty-three".