1222232111 has 8 divisors (see below), whose sum is σ = 1230038784. Its totient is φ = 1214440480.

The previous prime is 1222232101. The next prime is 1222232113. The reversal of 1222232111 is 1112322221.

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

It is a cyclic number.

It is not a de Polignac number, because 1222232111 - 2¹⁴ = 1222215727 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1222232111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222232113) 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, 190325 + ... + 196641.

It is an arithmetic number, because the mean of its divisors is an integer number (153754848).

Almost surely, 2^1222232111 is an apocalyptic number.

1222232111 is a deficient number, since it is larger than the sum of its proper divisors (7806673).

1222232111 is a wasteful number, since it uses less digits than its factorization.

1222232111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7521.

The product of its digits is 96, while the sum is 17.

The square root of 1222232111 is about 34960.4363674140. The cubic root of 1222232111 is about 1069.1809934994.

Adding to 1222232111 its reverse (1112322221), we get a palindrome (2334554332).

The spelling of 1222232111 in words is "one billion, two hundred twenty-two million, two hundred thirty-two thousand, one hundred eleven".