1232222031 has 8 divisors (see below), whose sum is σ = 1825514160. Its totient is φ = 821481336.

The previous prime is 1232222027. The next prime is 1232222039. The reversal of 1232222031 is 1302222321.

It is not a de Polignac number, because 1232222031 - 2² = 1232222027 is a prime.

It is a super-2 number, since 2×1232222031² = 3036742267363529922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1232221995 and 1232222013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232222039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22818900 + ... + 22818953.

It is an arithmetic number, because the mean of its divisors is an integer number (228189270).

Almost surely, 2^1232222031 is an apocalyptic number.

1232222031 is a deficient number, since it is larger than the sum of its proper divisors (593292129).

1232222031 is an equidigital number, since it uses as much as digits as its factorization.

1232222031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45637862 (or 45637856 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1232222031 is about 35103.0202546732. The cubic root of 1232222031 is about 1072.0860782290.

Adding to 1232222031 its reverse (1302222321), we get a palindrome (2534444352).

The spelling of 1232222031 in words is "one billion, two hundred thirty-two million, two hundred twenty-two thousand, thirty-one".