1422566 has 8 divisors (see below), whose sum is σ = 2207520. Its totient is φ = 686728.

The previous prime is 1422563. The next prime is 1422583. The reversal of 1422566 is 6652241.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422563) 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, 12206 + ... + 12321.

It is an arithmetic number, because the mean of its divisors is an integer number (275940).

2^1422566 is an apocalyptic number.

1422566 is a deficient number, since it is larger than the sum of its proper divisors (784954).

1422566 is a wasteful number, since it uses less digits than its factorization.

1422566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24558.

The product of its digits is 2880, while the sum is 26.

The square root of 1422566 is about 1192.7137125061. The cubic root of 1422566 is about 112.4667490209.

The spelling of 1422566 in words is "one million, four hundred twenty-two thousand, five hundred sixty-six".