1556422 has 16 divisors (see below), whose sum is σ = 2695680. Its totient is φ = 660168.

The previous prime is 1556413. The next prime is 1556431. The reversal of 1556422 is 2246551.

It is an interprime number because it is at equal distance from previous prime (1556413) and next prime (1556431).

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, 979 + ... + 2017.

It is an arithmetic number, because the mean of its divisors is an integer number (168480).

2^1556422 is an apocalyptic number.

1556422 is a deficient number, since it is larger than the sum of its proper divisors (1139258).

1556422 is a wasteful number, since it uses less digits than its factorization.

1556422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155.

The product of its digits is 2400, while the sum is 25.

The square root of 1556422 is about 1247.5664310970. The cubic root of 1556422 is about 115.8890635793.

The spelling of 1556422 in words is "one million, five hundred fifty-six thousand, four hundred twenty-two".