422111167 has 2 divisors, whose sum is σ = 422111168. Its totient is φ = 422111166.

The previous prime is 422111149. The next prime is 422111233. The reversal of 422111167 is 761111224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 422111167 - 2¹⁵ = 422078399 is a prime.

It is a super-2 number, since 2×422111167² = 356355674612203778, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422111147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211055583 + 211055584.

It is an arithmetic number, because the mean of its divisors is an integer number (211055584).

Almost surely, 2^422111167 is an apocalyptic number.

422111167 is a deficient number, since it is larger than the sum of its proper divisors (1).

422111167 is an equidigital number, since it uses as much as digits as its factorization.

422111167 is an evil number, because the sum of its binary digits is even.

The product of its digits is 672, while the sum is 25.

The square root of 422111167 is about 20545.3441684485. The cubic root of 422111167 is about 750.1399247080.

It can be divided in two parts, 42 and 2111167, that added together give a square (2111209 = 1453²).

The spelling of 422111167 in words is "four hundred twenty-two million, one hundred eleven thousand, one hundred sixty-seven".