22223443031 has 2 divisors, whose sum is σ = 22223443032. Its totient is φ = 22223443030.

The previous prime is 22223442991. The next prime is 22223443133. The reversal of 22223443031 is 13034432222.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22223443031 is a prime.

It is a super-2 number, since 2×22223443031² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22223443831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11111721515 + 11111721516.

It is an arithmetic number, because the mean of its divisors is an integer number (11111721516).

Almost surely, 2^22223443031 is an apocalyptic number.

22223443031 is a deficient number, since it is larger than the sum of its proper divisors (1).

22223443031 is an equidigital number, since it uses as much as digits as its factorization.

22223443031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 22223443031 its reverse (13034432222), we get a palindrome (35257875253).

The spelling of 22223443031 in words is "twenty-two billion, two hundred twenty-three million, four hundred forty-three thousand, thirty-one".