1422845 has 8 divisors (see below), whose sum is σ = 1714176. Its totient is φ = 1133776.

The previous prime is 1422833. The next prime is 1422857. The reversal of 1422845 is 5482241.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1422833) and next prime (1422857).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1422845 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1544 + ... + 2286.

It is an arithmetic number, because the mean of its divisors is an integer number (214272).

2^1422845 is an apocalyptic number.

It is an amenable number.

1422845 is a deficient number, since it is larger than the sum of its proper divisors (291331).

1422845 is an equidigital number, since it uses as much as digits as its factorization.

1422845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131.

The product of its digits is 2560, while the sum is 26.

The square root of 1422845 is about 1192.8306669431. The cubic root of 1422845 is about 112.4741010341.

The spelling of 1422845 in words is "one million, four hundred twenty-two thousand, eight hundred forty-five".