1206422 has 32 divisors (see below), whose sum is σ = 2265408. Its totient is φ = 470016.

The previous prime is 1206407. The next prime is 1206433. The reversal of 1206422 is 2246021.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 1206422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8738 + ... + 8874.

It is an arithmetic number, because the mean of its divisors is an integer number (70794).

2^1206422 is an apocalyptic number.

1206422 is a deficient number, since it is larger than the sum of its proper divisors (1058986).

1206422 is a wasteful number, since it uses less digits than its factorization.

1206422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1206422 is about 1098.3724322833. The cubic root of 1206422 is about 106.4550862360.

The spelling of 1206422 in words is "one million, two hundred six thousand, four hundred twenty-two".