1422167 has 4 divisors (see below), whose sum is σ = 1456896. Its totient is φ = 1387440.

The previous prime is 1422163. The next prime is 1422191. The reversal of 1422167 is 7612241.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1422167 - 2² = 1422163 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 (1422163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17303 + ... + 17384.

It is an arithmetic number, because the mean of its divisors is an integer number (364224).

2^1422167 is an apocalyptic number.

1422167 is a deficient number, since it is larger than the sum of its proper divisors (34729).

1422167 is an equidigital number, since it uses as much as digits as its factorization.

1422167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34728.

The product of its digits is 672, while the sum is 23.

The square root of 1422167 is about 1192.5464351546. The cubic root of 1422167 is about 112.4562331810.

The spelling of 1422167 in words is "one million, four hundred twenty-two thousand, one hundred sixty-seven".