1224368197 has 16 divisors (see below), whose sum is σ = 1395757440. Its totient is φ = 1065822912.

The previous prime is 1224368179. The next prime is 1224368207. The reversal of 1224368197 is 7918634221.

It is a cyclic number.

It is not a de Polignac number, because 1224368197 - 2⁷ = 1224368069 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224368597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21553 + ... + 53974.

It is an arithmetic number, because the mean of its divisors is an integer number (87234840).

Almost surely, 2^1224368197 is an apocalyptic number.

It is an amenable number.

1224368197 is a deficient number, since it is larger than the sum of its proper divisors (171389243).

1224368197 is a wasteful number, since it uses less digits than its factorization.

1224368197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75612.

The product of its digits is 145152, while the sum is 43.

The square root of 1224368197 is about 34990.9730787813. The cubic root of 1224368197 is about 1069.8034975570.

The spelling of 1224368197 in words is "one billion, two hundred twenty-four million, three hundred sixty-eight thousand, one hundred ninety-seven".