9022221977 has 2 divisors, whose sum is σ = 9022221978. Its totient is φ = 9022221976.

The previous prime is 9022221973. The next prime is 9022222063. The reversal of 9022221977 is 7791222209.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9006769216 + 15452761 = 94904^2 + 3931^2 .

It is a cyclic number.

It is not a de Polignac number, because 9022221977 - 2² = 9022221973 is a prime.

It is not a weakly prime, because it can be changed into another prime (9022221973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4511110988 + 4511110989.

It is an arithmetic number, because the mean of its divisors is an integer number (4511110989).

Almost surely, 2^9022221977 is an apocalyptic number.

It is an amenable number.

9022221977 is a deficient number, since it is larger than the sum of its proper divisors (1).

9022221977 is an equidigital number, since it uses as much as digits as its factorization.

9022221977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 9022221977 is about 94985.3777009914. The cubic root of 9022221977 is about 2081.7944002111.

The spelling of 9022221977 in words is "nine billion, twenty-two million, two hundred twenty-one thousand, nine hundred seventy-seven".