12223223031 has 16 divisors (see below), whose sum is σ = 16702545888. Its totient is φ = 7946534400.

The previous prime is 12223222987. The next prime is 12223223059. The reversal of 12223223031 is 13032232221.

It is a happy number.

It is not a de Polignac number, because 12223223031 - 2⁶ = 12223222967 is a prime.

It is a super-2 number, since 2×12223223031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12223222989 and 12223223007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12223223071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 271995 + ... + 313731.

It is an arithmetic number, because the mean of its divisors is an integer number (1043909118).

Almost surely, 2^12223223031 is an apocalyptic number.

12223223031 is a deficient number, since it is larger than the sum of its proper divisors (4479322857).

12223223031 is a wasteful number, since it uses less digits than its factorization.

12223223031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44162.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 12223223031 its reverse (13032232221), we get a palindrome (25255455252).

The spelling of 12223223031 in words is "twelve billion, two hundred twenty-three million, two hundred twenty-three thousand, thirty-one".