43000023222 has 48 divisors (see below), whose sum is σ = 101707857888. Its totient is φ = 13049527680.

The previous prime is 43000023203. The next prime is 43000023247. The reversal of 43000023222 is 22232000034.

43000023222 is a `hidden beast` number, since 430 + 0 + 0 + 0 + 232 + 2 + 2 = 666.

It is a super-2 number, since 2×43000023222² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 43000023195 and 43000023204.

It is a congruent number.

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 1241554 + ... + 1275717.

It is an arithmetic number, because the mean of its divisors is an integer number (2118913706).

Almost surely, 2^43000023222 is an apocalyptic number.

43000023222 is an abundant number, since it is smaller than the sum of its proper divisors (58707834666).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43000023222 is a wasteful number, since it uses less digits than its factorization.

43000023222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2517365 (or 2517362 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 43000023222 its reverse (22232000034), we get a palindrome (65232023256).

The spelling of 43000023222 in words is "forty-three billion, twenty-three thousand, two hundred twenty-two".