22031012273 has 2 divisors, whose sum is σ = 22031012274. Its totient is φ = 22031012272.

The previous prime is 22031012257. The next prime is 22031012347. The reversal of 22031012273 is 37221013022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11489267344 + 10541744929 = 107188^2 + 102673^2 .

It is a cyclic number.

It is not a de Polignac number, because 22031012273 - 2⁴ = 22031012257 is a prime.

It is not a weakly prime, because it can be changed into another prime (22031012173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11015506136 + 11015506137.

It is an arithmetic number, because the mean of its divisors is an integer number (11015506137).

Almost surely, 2^22031012273 is an apocalyptic number.

It is an amenable number.

22031012273 is a deficient number, since it is larger than the sum of its proper divisors (1).

22031012273 is an equidigital number, since it uses as much as digits as its factorization.

22031012273 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 23.

Adding to 22031012273 its reverse (37221013022), we get a palindrome (59252025295).

The spelling of 22031012273 in words is "twenty-two billion, thirty-one million, twelve thousand, two hundred seventy-three".