9022221973 has 2 divisors, whose sum is σ = 9022221974. Its totient is φ = 9022221972.

The previous prime is 9022221947. The next prime is 9022221977. The reversal of 9022221973 is 3791222209.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8566057809 + 456164164 = 92553^2 + 21358^2 .

It is a cyclic number.

It is not a de Polignac number, because 9022221973 - 2²¹ = 9020124821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9022221977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4511110986 + 4511110987.

It is an arithmetic number, because the mean of its divisors is an integer number (4511110987).

Almost surely, 2^9022221973 is an apocalyptic number.

It is an amenable number.

9022221973 is a deficient number, since it is larger than the sum of its proper divisors (1).

9022221973 is an equidigital number, since it uses as much as digits as its factorization.

9022221973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 9022221973 is about 94985.3776799356. The cubic root of 9022221973 is about 2081.7943999035.

The spelling of 9022221973 in words is "nine billion, twenty-two million, two hundred twenty-one thousand, nine hundred seventy-three".