22222111973 has 2 divisors, whose sum is σ = 22222111974. Its totient is φ = 22222111972.

The previous prime is 22222111957. The next prime is 22222111991. The reversal of 22222111973 is 37911122222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21591951364 + 630160609 = 146942^2 + 25103^2 .

It is a cyclic number.

It is not a de Polignac number, because 22222111973 - 2⁴ = 22222111957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22222111073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11111055986 + 11111055987.

It is an arithmetic number, because the mean of its divisors is an integer number (11111055987).

Almost surely, 2^22222111973 is an apocalyptic number.

It is an amenable number.

22222111973 is a deficient number, since it is larger than the sum of its proper divisors (1).

22222111973 is an equidigital number, since it uses as much as digits as its factorization.

22222111973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 32.

The spelling of 22222111973 in words is "twenty-two billion, two hundred twenty-two million, one hundred eleven thousand, nine hundred seventy-three".