43222434431 has 16 divisors (see below), whose sum is σ = 49932155808. Its totient is φ = 36976742400.

The previous prime is 43222434389. The next prime is 43222434457. The reversal of 43222434431 is 13443422234.

It is a cyclic number.

It is not a de Polignac number, because 43222434431 - 2¹⁰ = 43222433407 is a prime.

It is a super-2 number, since 2×43222434431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43222434461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2200751 + ... + 2220303.

It is an arithmetic number, because the mean of its divisors is an integer number (3120759738).

Almost surely, 2^43222434431 is an apocalyptic number.

43222434431 is a deficient number, since it is larger than the sum of its proper divisors (6709721377).

43222434431 is a wasteful number, since it uses less digits than its factorization.

43222434431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31402.

The product of its digits is 55296, while the sum is 32.

Adding to 43222434431 its reverse (13443422234), we get a palindrome (56665856665).

The spelling of 43222434431 in words is "forty-three billion, two hundred twenty-two million, four hundred thirty-four thousand, four hundred thirty-one".