43222434461 has 2 divisors, whose sum is σ = 43222434462. Its totient is φ = 43222434460.

The previous prime is 43222434457. The next prime is 43222434469. The reversal of 43222434461 is 16443422234.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38801514361 + 4420920100 = 196981^2 + 66490^2 .

It is a cyclic number.

It is not a de Polignac number, because 43222434461 - 2² = 43222434457 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43222434469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21611217230 + 21611217231.

It is an arithmetic number, because the mean of its divisors is an integer number (21611217231).

Almost surely, 2^43222434461 is an apocalyptic number.

It is an amenable number.

43222434461 is a deficient number, since it is larger than the sum of its proper divisors (1).

43222434461 is an equidigital number, since it uses as much as digits as its factorization.

43222434461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 110592, while the sum is 35.

Adding to 43222434461 its reverse (16443422234), we get a palindrome (59665856695).

The spelling of 43222434461 in words is "forty-three billion, two hundred twenty-two million, four hundred thirty-four thousand, four hundred sixty-one".