1422679 has 8 divisors (see below), whose sum is σ = 1535760. Its totient is φ = 1312896.

The previous prime is 1422677. The next prime is 1422691. The reversal of 1422679 is 9762241.

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

It is a cyclic number.

It is not a de Polignac number, because 1422679 - 2¹ = 1422677 is a prime.

It is an Ulam number.

It is a Duffinian number.

1422679 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1422679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422671) 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 7 ways as a sum of consecutive naturals, for example, 112 + ... + 1690.

It is an arithmetic number, because the mean of its divisors is an integer number (191970).

2^1422679 is an apocalyptic number.

1422679 is a deficient number, since it is larger than the sum of its proper divisors (113081).

1422679 is a wasteful number, since it uses less digits than its factorization.

1422679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1649.

The product of its digits is 6048, while the sum is 31.

The square root of 1422679 is about 1192.7610825308. The cubic root of 1422679 is about 112.4697268338.

The spelling of 1422679 in words is "one million, four hundred twenty-two thousand, six hundred seventy-nine".