22042243031 has 2 divisors, whose sum is σ = 22042243032. Its totient is φ = 22042243030.

The previous prime is 22042243021. The next prime is 22042243037. The reversal of 22042243031 is 13034224022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22042243031 - 2²² = 22038048727 is a prime.

It is a super-2 number, since 2×22042243031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22042242988 and 22042243006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22042243037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11021121515 + 11021121516.

It is an arithmetic number, because the mean of its divisors is an integer number (11021121516).

Almost surely, 2^22042243031 is an apocalyptic number.

22042243031 is a deficient number, since it is larger than the sum of its proper divisors (1).

22042243031 is an equidigital number, since it uses as much as digits as its factorization.

22042243031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 22042243031 its reverse (13034224022), we get a palindrome (35076467053).

The spelling of 22042243031 in words is "twenty-two billion, forty-two million, two hundred forty-three thousand, thirty-one".