1121222 has 8 divisors (see below), whose sum is σ = 1701000. Its totient is φ = 554224.

The previous prime is 1121221. The next prime is 1121231. The reversal of 1121222 is 2221211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2972 + ... + 3327.

It is an arithmetic number, because the mean of its divisors is an integer number (212625).

2^1121222 is an apocalyptic number.

1121222 is a deficient number, since it is larger than the sum of its proper divisors (579778).

1121222 is an equidigital number, since it uses as much as digits as its factorization.

1121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6390.

The product of its digits is 16, while the sum is 11.

The square root of 1121222 is about 1058.8777077642. The cubic root of 1121222 is about 103.8876375221.

Subtracting from 1121222 its sum of digits (11), we obtain a palindrome (1121211).

Adding to 1121222 its reverse (2221211), we get a palindrome (3342433).

The spelling of 1121222 in words is "one million, one hundred twenty-one thousand, two hundred twenty-two".