1223167 has 16 divisors (see below), whose sum is σ = 1465344. Its totient is φ = 1008000.

The previous prime is 1223161. The next prime is 1223177. The reversal of 1223167 is 7613221.

It is a cyclic number.

It is not a de Polignac number, because 1223167 - 2⁷ = 1223039 is a prime.

It is a super-2 number, since 2×1223167² = 2992275019778, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5692 + ... + 5902.

It is an arithmetic number, because the mean of its divisors is an integer number (91584).

2^1223167 is an apocalyptic number.

1223167 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1223167 is a deficient number, since it is larger than the sum of its proper divisors (242177).

1223167 is a wasteful number, since it uses less digits than its factorization.

1223167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270.

The product of its digits is 504, while the sum is 22.

The square root of 1223167 is about 1105.9688060700. The cubic root of 1223167 is about 106.9453530604.

Adding to 1223167 its reverse (7613221), we get a palindrome (8836388).

The spelling of 1223167 in words is "one million, two hundred twenty-three thousand, one hundred sixty-seven".