43212234 has 16 divisors (see below), whose sum is σ = 93072672. Its totient is φ = 13296048.

The previous prime is 43212229. The next prime is 43212293. The reversal of 43212234 is 43221234.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 43212234.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276924 + ... + 277079.

It is an arithmetic number, because the mean of its divisors is an integer number (5817042).

Almost surely, 2^43212234 is an apocalyptic number.

43212234 is an abundant number, since it is smaller than the sum of its proper divisors (49860438).

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

43212234 is a wasteful number, since it uses less digits than its factorization.

43212234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554021.

The product of its digits is 1152, while the sum is 21.

The square root of 43212234 is about 6573.6012960933. The cubic root of 43212234 is about 350.9152480825.

Adding to 43212234 its reverse (43221234), we get a palindrome (86433468).

It can be divided in two parts, 4321 and 2234, that added together give a triangular number (6555 = T₁₁₄).

The spelling of 43212234 in words is "forty-three million, two hundred twelve thousand, two hundred thirty-four".