1223002273 has 2 divisors, whose sum is σ = 1223002274. Its totient is φ = 1223002272.

The previous prime is 1223002271. The next prime is 1223002283. The reversal of 1223002273 is 3722003221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1215428769 + 7573504 = 34863^2 + 2752^2 .

It is a cyclic number.

It is not a de Polignac number, because 1223002273 - 2¹ = 1223002271 is a prime.

Together with 1223002271, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1223002271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611501136 + 611501137.

It is an arithmetic number, because the mean of its divisors is an integer number (611501137).

Almost surely, 2^1223002273 is an apocalyptic number.

It is an amenable number.

1223002273 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223002273 is an equidigital number, since it uses as much as digits as its factorization.

1223002273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 1223002273 is about 34971.4493980447. The cubic root of 1223002273 is about 1069.4055197760.

Adding to 1223002273 its reverse (3722003221), we get a palindrome (4945005494).

The spelling of 1223002273 in words is "one billion, two hundred twenty-three million, two thousand, two hundred seventy-three".