22142221204073 has 2 divisors, whose sum is σ = 22142221204074. Its totient is φ = 22142221204072.

The previous prime is 22142221204013. The next prime is 22142221204093. The reversal of 22142221204073 is 37040212224122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12316428813529 + 9825792390544 = 3509477^2 + 3134612^2 .

It is a cyclic number.

It is not a de Polignac number, because 22142221204073 - 2²⁴ = 22142204426857 is a prime.

It is not a weakly prime, because it can be changed into another prime (22142221204013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11071110602036 + 11071110602037.

It is an arithmetic number, because the mean of its divisors is an integer number (11071110602037).

Almost surely, 2^{22142221204073} is an apocalyptic number.

It is an amenable number.

22142221204073 is a deficient number, since it is larger than the sum of its proper divisors (1).

22142221204073 is an equidigital number, since it uses as much as digits as its factorization.

22142221204073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21504, while the sum is 32.

Adding to 22142221204073 its reverse (37040212224122), we get a palindrome (59182433428195).

The spelling of 22142221204073 in words is "twenty-two trillion, one hundred forty-two billion, two hundred twenty-one million, two hundred four thousand, seventy-three".