1422166 has 8 divisors (see below), whose sum is σ = 2142504. Its totient is φ = 708000.

The previous prime is 1422163. The next prime is 1422191. The reversal of 1422166 is 6612241.

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

It is a super-2 number, since 2×1422166² = 4045112263112, which contains 22 as substring.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 915 + ... + 1918.

It is an arithmetic number, because the mean of its divisors is an integer number (267813).

2^1422166 is an apocalyptic number.

1422166 is a deficient number, since it is larger than the sum of its proper divisors (720338).

1422166 is a wasteful number, since it uses less digits than its factorization.

1422166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3086.

The product of its digits is 576, while the sum is 22.

The square root of 1422166 is about 1192.5460158837. The cubic root of 1422166 is about 112.4562068230.

The spelling of 1422166 in words is "one million, four hundred twenty-two thousand, one hundred sixty-six".