1222836 has 24 divisors (see below), whose sum is σ = 2874144. Its totient is φ = 404640.

The previous prime is 1222831. The next prime is 1222847. The reversal of 1222836 is 6382221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1891 + ... + 2453.

It is an arithmetic number, because the mean of its divisors is an integer number (119756).

2^1222836 is an apocalyptic number.

It is an amenable number.

1222836 is an abundant number, since it is smaller than the sum of its proper divisors (1651308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1222836 is a wasteful number, since it uses less digits than its factorization.

1222836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751 (or 749 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

The square root of 1222836 is about 1105.8191533881. The cubic root of 1222836 is about 106.9357053984.

The spelling of 1222836 in words is "one million, two hundred twenty-two thousand, eight hundred thirty-six".