1222322311 has 8 divisors (see below), whose sum is σ = 1409996160. Its totient is φ = 1037912568.

The previous prime is 1222322273. The next prime is 1222322323. The reversal of 1222322311 is 1132232221.

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

It is not a de Polignac number, because 1222322311 - 2¹⁷ = 1222191239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222322341) 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, 815221 + ... + 816718.

It is an arithmetic number, because the mean of its divisors is an integer number (176249520).

Almost surely, 2^1222322311 is an apocalyptic number.

1222322311 is a deficient number, since it is larger than the sum of its proper divisors (187673849).

1222322311 is a wasteful number, since it uses less digits than its factorization.

1222322311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1632053.

The product of its digits is 288, while the sum is 19.

The square root of 1222322311 is about 34961.7263732785. The cubic root of 1222322311 is about 1069.2072944920.

Adding to 1222322311 its reverse (1132232221), we get a palindrome (2354554532).

The spelling of 1222322311 in words is "one billion, two hundred twenty-two million, three hundred twenty-two thousand, three hundred eleven".