1322223173 has 2 divisors, whose sum is σ = 1322223174. Its totient is φ = 1322223172.

The previous prime is 1322223163. The next prime is 1322223179. The reversal of 1322223173 is 3713222231.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 885538564 + 436684609 = 29758^2 + 20897^2 .

It is a cyclic number.

It is not a de Polignac number, because 1322223173 - 2¹⁶ = 1322157637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1322223179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661111586 + 661111587.

It is an arithmetic number, because the mean of its divisors is an integer number (661111587).

Almost surely, 2^1322223173 is an apocalyptic number.

It is an amenable number.

1322223173 is a deficient number, since it is larger than the sum of its proper divisors (1).

1322223173 is an equidigital number, since it uses as much as digits as its factorization.

1322223173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 26.

The square root of 1322223173 is about 36362.3867890984. The cubic root of 1322223173 is about 1097.5768071844.

The spelling of 1322223173 in words is "one billion, three hundred twenty-two million, two hundred twenty-three thousand, one hundred seventy-three".