1223122232 has 8 divisors (see below), whose sum is σ = 2293354200. Its totient is φ = 611561112.

The previous prime is 1223122231. The next prime is 1223122237. The reversal of 1223122232 is 2322213221.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223122231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76445132 + ... + 76445147.

It is an arithmetic number, because the mean of its divisors is an integer number (286669275).

Almost surely, 2^1223122232 is an apocalyptic number.

It is an amenable number.

1223122232 is a deficient number, since it is larger than the sum of its proper divisors (1070231968).

1223122232 is a wasteful number, since it uses less digits than its factorization.

1223122232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152890285 (or 152890281 counting only the distinct ones).

The product of its digits is 576, while the sum is 20.

The square root of 1223122232 is about 34973.1644550504. The cubic root of 1223122232 is about 1069.4404830859.

Adding to 1223122232 its reverse (2322213221), we get a palindrome (3545335453).

The spelling of 1223122232 in words is "one billion, two hundred twenty-three million, one hundred twenty-two thousand, two hundred thirty-two".