22087904273 has 2 divisors, whose sum is σ = 22087904274. Its totient is φ = 22087904272.

The previous prime is 22087904257. The next prime is 22087904287. The reversal of 22087904273 is 37240978022.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18057178129 + 4030726144 = 134377^2 + 63488^2 .

It is a cyclic number.

It is not a de Polignac number, because 22087904273 - 2⁴ = 22087904257 is a prime.

It is not a weakly prime, because it can be changed into another prime (22087904243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11043952136 + 11043952137.

It is an arithmetic number, because the mean of its divisors is an integer number (11043952137).

Almost surely, 2^22087904273 is an apocalyptic number.

It is an amenable number.

22087904273 is a deficient number, since it is larger than the sum of its proper divisors (1).

22087904273 is an equidigital number, since it uses as much as digits as its factorization.

22087904273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 338688, while the sum is 44.

The spelling of 22087904273 in words is "twenty-two billion, eighty-seven million, nine hundred four thousand, two hundred seventy-three".