1224412247 has 2 divisors, whose sum is σ = 1224412248. Its totient is φ = 1224412246.

The previous prime is 1224412187. The next prime is 1224412261. The reversal of 1224412247 is 7422144221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1224412247 - 2²⁴ = 1207635031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1224402247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612206123 + 612206124.

It is an arithmetic number, because the mean of its divisors is an integer number (612206124).

Almost surely, 2^1224412247 is an apocalyptic number.

1224412247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1224412247 is an equidigital number, since it uses as much as digits as its factorization.

1224412247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7168, while the sum is 29.

The square root of 1224412247 is about 34991.6025211764. The cubic root of 1224412247 is about 1069.8163271070.

Adding to 1224412247 its reverse (7422144221), we get a palindrome (8646556468).

The spelling of 1224412247 in words is "one billion, two hundred twenty-four million, four hundred twelve thousand, two hundred forty-seven".