22130321443 has 2 divisors, whose sum is σ = 22130321444. Its totient is φ = 22130321442.

The previous prime is 22130321431. The next prime is 22130321449. The reversal of 22130321443 is 34412303122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22130321443 - 2¹⁷ = 22130190371 is a prime.

It is a super-2 number, since 2×22130321443² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22130321449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11065160721 + 11065160722.

It is an arithmetic number, because the mean of its divisors is an integer number (11065160722).

Almost surely, 2^22130321443 is an apocalyptic number.

22130321443 is a deficient number, since it is larger than the sum of its proper divisors (1).

22130321443 is an equidigital number, since it uses as much as digits as its factorization.

22130321443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 22130321443 its reverse (34412303122), we get a palindrome (56542624565).

The spelling of 22130321443 in words is "twenty-two billion, one hundred thirty million, three hundred twenty-one thousand, four hundred forty-three".