43522231233 has 32 divisors (see below), whose sum is σ = 68304079872. Its totient is φ = 24394291200.

The previous prime is 43522231213. The next prime is 43522231241. The reversal of 43522231233 is 33213222534.

It is a happy number.

It is not a de Polignac number, because 43522231233 - 2¹⁰ = 43522230209 is a prime.

It is a super-2 number, since 2×43522231233² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 43522231233.

It is not an unprimeable number, because it can be changed into a prime (43522231213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1038228 + ... + 1079333.

It is an arithmetic number, because the mean of its divisors is an integer number (2134502496).

Almost surely, 2^43522231233 is an apocalyptic number.

It is an amenable number.

43522231233 is a deficient number, since it is larger than the sum of its proper divisors (24781848639).

43522231233 is a wasteful number, since it uses less digits than its factorization.

43522231233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2117625.

The product of its digits is 25920, while the sum is 30.

Adding to 43522231233 its reverse (33213222534), we get a palindrome (76735453767).

The spelling of 43522231233 in words is "forty-three billion, five hundred twenty-two million, two hundred thirty-one thousand, two hundred thirty-three".