1222246673 has 4 divisors (see below), whose sum is σ = 1264393140. Its totient is φ = 1180100208.

The previous prime is 1222246667. The next prime is 1222246681. The reversal of 1222246673 is 3766422221.

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

It can be written as a sum of positive squares in 2 ways, for example, as 258019969 + 964226704 = 16063^2 + 31052^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222246673 - 2²⁴ = 1205469457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222246643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21073190 + ... + 21073247.

It is an arithmetic number, because the mean of its divisors is an integer number (316098285).

Almost surely, 2^1222246673 is an apocalyptic number.

It is an amenable number.

1222246673 is a deficient number, since it is larger than the sum of its proper divisors (42146467).

1222246673 is an equidigital number, since it uses as much as digits as its factorization.

1222246673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42146466.

The product of its digits is 48384, while the sum is 35.

The square root of 1222246673 is about 34960.6446307845. The cubic root of 1222246673 is about 1069.1852396519.

Adding to 1222246673 its reverse (3766422221), we get a palindrome (4988668894).

The spelling of 1222246673 in words is "one billion, two hundred twenty-two million, two hundred forty-six thousand, six hundred seventy-three".