1422885 has 16 divisors (see below), whose sum is σ = 2355840. Its totient is φ = 732480.

The previous prime is 1422877. The next prime is 1422899. The reversal of 1422885 is 5882241.

It is not a de Polignac number, because 1422885 - 2³ = 1422877 is a prime.

1422885 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1201 + ... + 2070.

It is an arithmetic number, because the mean of its divisors is an integer number (147240).

2^1422885 is an apocalyptic number.

1422885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1422885 is a deficient number, since it is larger than the sum of its proper divisors (932955).

1422885 is a wasteful number, since it uses less digits than its factorization.

1422885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3308.

The product of its digits is 5120, while the sum is 30.

The square root of 1422885 is about 1192.8474336645. The cubic root of 1422885 is about 112.4751550074.

The spelling of 1422885 in words is "one million, four hundred twenty-two thousand, eight hundred eighty-five".