43221312234 has 32 divisors (see below), whose sum is σ = 96319491840. Its totient is φ = 14366284416.

The previous prime is 43221312217. The next prime is 43221312241.

43221312234 is a `hidden beast` number, since 4 + 322 + 1 + 312 + 23 + 4 = 666.

43221312234 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 43221312198 and 43221312207.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1114642 + ... + 1152765.

It is an arithmetic number, because the mean of its divisors is an integer number (3009984120).

Almost surely, 2^43221312234 is an apocalyptic number.

43221312234 is an abundant number, since it is smaller than the sum of its proper divisors (53098179606).

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

43221312234 is a wasteful number, since it uses less digits than its factorization.

43221312234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2267771 (or 2267765 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The spelling of 43221312234 in words is "forty-three billion, two hundred twenty-one million, three hundred twelve thousand, two hundred thirty-four".