1361222 has 4 divisors (see below), whose sum is σ = 2041836. Its totient is φ = 680610.

The previous prime is 1361197. The next prime is 1361273. The reversal of 1361222 is 2221631.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1361222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340304 + ... + 340307.

It is an arithmetic number, because the mean of its divisors is an integer number (510459).

2^1361222 is an apocalyptic number.

1361222 is a deficient number, since it is larger than the sum of its proper divisors (680614).

1361222 is an equidigital number, since it uses as much as digits as its factorization.

1361222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680613.

The product of its digits is 144, while the sum is 17.

The square root of 1361222 is about 1166.7141895083. The cubic root of 1361222 is about 110.8263388404.

Adding to 1361222 its reverse (2221631), we get a palindrome (3582853).

The spelling of 1361222 in words is "one million, three hundred sixty-one thousand, two hundred twenty-two".