1224415601 has 2 divisors, whose sum is σ = 1224415602. Its totient is φ = 1224415600.

The previous prime is 1224415589. The next prime is 1224415679. The reversal of 1224415601 is 1065144221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1181709376 + 42706225 = 34376^2 + 6535^2 .

It is a cyclic number.

It is not a de Polignac number, because 1224415601 - 2¹⁰ = 1224414577 is a prime.

It is not a weakly prime, because it can be changed into another prime (1224415691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612207800 + 612207801.

It is an arithmetic number, because the mean of its divisors is an integer number (612207801).

Almost surely, 2^1224415601 is an apocalyptic number.

It is an amenable number.

1224415601 is a deficient number, since it is larger than the sum of its proper divisors (1).

1224415601 is an equidigital number, since it uses as much as digits as its factorization.

1224415601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 1224415601 is about 34991.6504469280. The cubic root of 1224415601 is about 1069.8173039460.

Adding to 1224415601 its reverse (1065144221), we get a palindrome (2289559822).

The spelling of 1224415601 in words is "one billion, two hundred twenty-four million, four hundred fifteen thousand, six hundred one".