22442441431 has 2 divisors, whose sum is σ = 22442441432. Its totient is φ = 22442441430.

The previous prime is 22442441419. The next prime is 22442441453. The reversal of 22442441431 is 13414424422.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22442441431 - 2²¹ = 22440344279 is a prime.

It is a super-2 number, since 2×22442441431² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22442441393 and 22442441402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22482441431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11221220715 + 11221220716.

It is an arithmetic number, because the mean of its divisors is an integer number (11221220716).

Almost surely, 2^22442441431 is an apocalyptic number.

22442441431 is a deficient number, since it is larger than the sum of its proper divisors (1).

22442441431 is an equidigital number, since it uses as much as digits as its factorization.

22442441431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24576, while the sum is 31.

Adding to 22442441431 its reverse (13414424422), we get a palindrome (35856865853).

The spelling of 22442441431 in words is "twenty-two billion, four hundred forty-two million, four hundred forty-one thousand, four hundred thirty-one".