11722167 has 12 divisors (see below), whose sum is σ = 16974360. Its totient is φ = 7795248.

The previous prime is 11722133. The next prime is 11722189. The reversal of 11722167 is 76122711.

It is not a de Polignac number, because 11722167 - 2⁸ = 11721911 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11722167.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11722127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2809 + ... + 5597.

It is an arithmetic number, because the mean of its divisors is an integer number (1414530).

Almost surely, 2^11722167 is an apocalyptic number.

11722167 is a deficient number, since it is larger than the sum of its proper divisors (5252193).

11722167 is a wasteful number, since it uses less digits than its factorization.

11722167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3262 (or 3259 counting only the distinct ones).

The product of its digits is 1176, while the sum is 27.

The square root of 11722167 is about 3423.7650328257. The cubic root of 11722167 is about 227.1621487624.

Adding to 11722167 its reverse (76122711), we get a palindrome (87844878).

The spelling of 11722167 in words is "eleven million, seven hundred twenty-two thousand, one hundred sixty-seven".