1222167 has 8 divisors (see below), whose sum is σ = 1636096. Its totient is φ = 811512.

The previous prime is 1222159. The next prime is 1222171. The reversal of 1222167 is 7612221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1222167 - 2³ = 1222159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258 + ... + 1584.

It is an arithmetic number, because the mean of its divisors is an integer number (204512).

2^1222167 is an apocalyptic number.

1222167 is a deficient number, since it is larger than the sum of its proper divisors (413929).

1222167 is a wasteful number, since it uses less digits than its factorization.

1222167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1637.

The product of its digits is 336, while the sum is 21.

The square root of 1222167 is about 1105.5166213133. The cubic root of 1222167 is about 106.9162007286.

Adding to 1222167 its reverse (7612221), we get a palindrome (8834388).

The spelling of 1222167 in words is "one million, two hundred twenty-two thousand, one hundred sixty-seven".