1422856 has 16 divisors (see below), whose sum is σ = 2760300. Its totient is φ = 686784.

The previous prime is 1422833. The next prime is 1422857. The reversal of 1422856 is 6582241.

It can be written as a sum of positive squares in 2 ways, for example, as 1285956 + 136900 = 1134^2 + 370^2 .

It is not an unprimeable number, because it can be changed into a prime (1422857) 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, 2835 + ... + 3298.

2^1422856 is an apocalyptic number.

It is an amenable number.

1422856 is a deficient number, since it is larger than the sum of its proper divisors (1337444).

1422856 is a wasteful number, since it uses less digits than its factorization.

1422856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6168 (or 6164 counting only the distinct ones).

The product of its digits is 3840, while the sum is 28.

The square root of 1422856 is about 1192.8352778150. The cubic root of 1422856 is about 112.4743908787.

It can be divided in two parts, 1422 and 856, that added together give a triangular number (2278 = T₆₇).

The spelling of 1422856 in words is "one million, four hundred twenty-two thousand, eight hundred fifty-six".