42202220273 has 2 divisors, whose sum is σ = 42202220274. Its totient is φ = 42202220272.

The previous prime is 42202220219. The next prime is 42202220279. The reversal of 42202220273 is 37202220224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37379195569 + 4823024704 = 193337^2 + 69448^2 .

It is a cyclic number.

It is not a de Polignac number, because 42202220273 - 2¹⁴ = 42202203889 is a prime.

It is not a weakly prime, because it can be changed into another prime (42202220279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21101110136 + 21101110137.

It is an arithmetic number, because the mean of its divisors is an integer number (21101110137).

Almost surely, 2^42202220273 is an apocalyptic number.

It is an amenable number.

42202220273 is a deficient number, since it is larger than the sum of its proper divisors (1).

42202220273 is an equidigital number, since it uses as much as digits as its factorization.

42202220273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 26.

Adding to 42202220273 its reverse (37202220224), we get a palindrome (79404440497).

The spelling of 42202220273 in words is "forty-two billion, two hundred two million, two hundred twenty thousand, two hundred seventy-three".