1182222 has 16 divisors (see below), whose sum is σ = 2627280. Its totient is φ = 394056.

The previous prime is 1182211. The next prime is 1182253. The reversal of 1182222 is 2222811.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

1182222 is a modest number, since divided by 2222 gives 118 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 1182195 and 1182204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10893 + ... + 11000.

It is an arithmetic number, because the mean of its divisors is an integer number (164205).

2^1182222 is an apocalyptic number.

1182222 is an abundant number, since it is smaller than the sum of its proper divisors (1445058).

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

1182222 is a wasteful number, since it uses less digits than its factorization.

1182222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21904 (or 21898 counting only the distinct ones).

The product of its digits is 128, while the sum is 18.

The square root of 1182222 is about 1087.3003264968. The cubic root of 1182222 is about 105.7384676323.

The spelling of 1182222 in words is "one million, one hundred eighty-two thousand, two hundred twenty-two".