1224536674 has 4 divisors (see below), whose sum is σ = 1836805014. Its totient is φ = 612268336.

The previous prime is 1224536659. The next prime is 1224536693. The reversal of 1224536674 is 4766354221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1166700649 + 57836025 = 34157^2 + 7605^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306134167 + ... + 306134170.

Almost surely, 2^1224536674 is an apocalyptic number.

1224536674 is a deficient number, since it is larger than the sum of its proper divisors (612268340).

1224536674 is an equidigital number, since it uses as much as digits as its factorization.

1224536674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612268339.

The product of its digits is 241920, while the sum is 40.

The square root of 1224536674 is about 34993.3804311615. The cubic root of 1224536674 is about 1069.8525647733.

The spelling of 1224536674 in words is "one billion, two hundred twenty-four million, five hundred thirty-six thousand, six hundred seventy-four".