167226901 has 2 divisors, whose sum is σ = 167226902. Its totient is φ = 167226900.

The previous prime is 167226863. The next prime is 167226911. The reversal of 167226901 is 109622761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 158382225 + 8844676 = 12585^2 + 2974^2 .

It is a cyclic number.

It is not a de Polignac number, because 167226901 - 2²¹ = 165129749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (167226911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83613450 + 83613451.

It is an arithmetic number, because the mean of its divisors is an integer number (83613451).

Almost surely, 2^167226901 is an apocalyptic number.

It is an amenable number.

167226901 is a deficient number, since it is larger than the sum of its proper divisors (1).

167226901 is an equidigital number, since it uses as much as digits as its factorization.

167226901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 167226901 is about 12931.6240666051. The cubic root of 167226901 is about 550.9371362060.

The spelling of 167226901 in words is "one hundred sixty-seven million, two hundred twenty-six thousand, nine hundred one".