1213322 has 16 divisors (see below), whose sum is σ = 2005344. Its totient is φ = 546000.

The previous prime is 1213301. The next prime is 1213327. The reversal of 1213322 is 2233121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1213297 and 1213306.

It is not an unprimeable number, because it can be changed into a prime (1213327) 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, 2672 + ... + 3092.

It is an arithmetic number, because the mean of its divisors is an integer number (125334).

2^1213322 is an apocalyptic number.

1213322 is a deficient number, since it is larger than the sum of its proper divisors (792022).

1213322 is a wasteful number, since it uses less digits than its factorization.

1213322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565.

The product of its digits is 72, while the sum is 14.

The square root of 1213322 is about 1101.5089650112. The cubic root of 1213322 is about 106.6576533183.

Adding to 1213322 its reverse (2233121), we get a palindrome (3446443).

It can be divided in two parts, 121 and 3322, that added together give a palindrome (3443).

The spelling of 1213322 in words is "one million, two hundred thirteen thousand, three hundred twenty-two".