1422556 has 12 divisors (see below), whose sum is σ = 2525040. Its totient is φ = 701120.

The previous prime is 1422541. The next prime is 1422563. The reversal of 1422556 is 6552241.

It is a self number, because there is not a number n which added to its sum of digits gives 1422556.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2221 + ... + 2788.

It is an arithmetic number, because the mean of its divisors is an integer number (210420).

2^1422556 is an apocalyptic number.

It is an amenable number.

1422556 is a deficient number, since it is larger than the sum of its proper divisors (1102484).

1422556 is a wasteful number, since it uses less digits than its factorization.

1422556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5084 (or 5082 counting only the distinct ones).

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

The square root of 1422556 is about 1192.7095203779. The cubic root of 1422556 is about 112.4664854900.

Adding to 1422556 its reverse (6552241), we get a palindrome (7974797).

The spelling of 1422556 in words is "one million, four hundred twenty-two thousand, five hundred fifty-six".