273222143 has 2 divisors, whose sum is σ = 273222144. Its totient is φ = 273222142.

The previous prime is 273222133. The next prime is 273222151. The reversal of 273222143 is 341222372.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 273222143 - 2¹² = 273218047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (273222133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136611071 + 136611072.

It is an arithmetic number, because the mean of its divisors is an integer number (136611072).

Almost surely, 2^273222143 is an apocalyptic number.

273222143 is a deficient number, since it is larger than the sum of its proper divisors (1).

273222143 is an equidigital number, since it uses as much as digits as its factorization.

273222143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 26.

The square root of 273222143 is about 16529.4326278914. The cubic root of 273222143 is about 648.8913195081.

The spelling of 273222143 in words is "two hundred seventy-three million, two hundred twenty-two thousand, one hundred forty-three".