273222013 has 2 divisors, whose sum is σ = 273222014. Its totient is φ = 273222012.

The previous prime is 273221981. The next prime is 273222031. The reversal of 273222013 is 310222372.

Together with next prime (273222031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 175350564 + 97871449 = 13242^2 + 9893^2 .

It is a cyclic number.

It is not a de Polignac number, because 273222013 - 2⁵ = 273221981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (273222913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136611006 + 136611007.

It is an arithmetic number, because the mean of its divisors is an integer number (136611007).

Almost surely, 2^273222013 is an apocalyptic number.

It is an amenable number.

273222013 is a deficient number, since it is larger than the sum of its proper divisors (1).

273222013 is an equidigital number, since it uses as much as digits as its factorization.

273222013 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 273222013 is about 16529.4286955115. The cubic root of 273222013 is about 648.8912165932.

Adding to 273222013 its reverse (310222372), we get a palindrome (583444385).

The spelling of 273222013 in words is "two hundred seventy-three million, two hundred twenty-two thousand, thirteen".