1224232211 has 6 divisors (see below), whose sum is σ = 1236483636. Its totient is φ = 1212101000.

The previous prime is 1224232183. The next prime is 1224232249. The reversal of 1224232211 is 1122324221.

It is a de Polignac number, because none of the positive numbers 2^k-1224232211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1224237211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 49805 + ... + 70206.

It is an arithmetic number, because the mean of its divisors is an integer number (206080606).

Almost surely, 2^1224232211 is an apocalyptic number.

1224232211 is a deficient number, since it is larger than the sum of its proper divisors (12251425).

1224232211 is an equidigital number, since it uses as much as digits as its factorization.

1224232211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120213 (or 120112 counting only the distinct ones).

The product of its digits is 384, while the sum is 20.

The square root of 1224232211 is about 34989.0298665167. The cubic root of 1224232211 is about 1069.7638897318.

Adding to 1224232211 its reverse (1122324221), we get a palindrome (2346556432).

The spelling of 1224232211 in words is "one billion, two hundred twenty-four million, two hundred thirty-two thousand, two hundred eleven".