22230221031 has 12 divisors (see below), whose sum is σ = 32154988320. Its totient is φ = 14799530880.

The previous prime is 22230221011. The next prime is 22230221047. The reversal of 22230221031 is 13012203222.

It is not a de Polignac number, because 22230221031 - 2¹⁸ = 22229958887 is a prime.

It is a super-2 number, since 2×22230221031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22230220995 and 22230221013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22230221011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1711210 + ... + 1724151.

It is an arithmetic number, because the mean of its divisors is an integer number (2679582360).

Almost surely, 2^22230221031 is an apocalyptic number.

22230221031 is a deficient number, since it is larger than the sum of its proper divisors (9924767289).

22230221031 is a wasteful number, since it uses less digits than its factorization.

22230221031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3436086 (or 3436083 counting only the distinct ones).

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

Adding to 22230221031 its reverse (13012203222), we get a palindrome (35242424253).

The spelling of 22230221031 in words is "twenty-two billion, two hundred thirty million, two hundred twenty-one thousand, thirty-one".