8222622173 has 2 divisors, whose sum is σ = 8222622174. Its totient is φ = 8222622172.

The previous prime is 8222622139. The next prime is 8222622193. The reversal of 8222622173 is 3712262228.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6483148324 + 1739473849 = 80518^2 + 41707^2 .

It is a cyclic number.

It is not a de Polignac number, because 8222622173 - 2²² = 8218427869 is a prime.

It is a super-2 number, since 2×8222622173² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8222622113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4111311086 + 4111311087.

It is an arithmetic number, because the mean of its divisors is an integer number (4111311087).

Almost surely, 2^8222622173 is an apocalyptic number.

It is an amenable number.

8222622173 is a deficient number, since it is larger than the sum of its proper divisors (1).

8222622173 is an equidigital number, since it uses as much as digits as its factorization.

8222622173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 35.

The square root of 8222622173 is about 90678.6754038677. The cubic root of 8222622173 is about 2018.3823742731.

The spelling of 8222622173 in words is "eight billion, two hundred twenty-two million, six hundred twenty-two thousand, one hundred seventy-three".