43135222 has 24 divisors (see below), whose sum is σ = 74194056. Its totient is φ = 18734976.

The previous prime is 43135217. The next prime is 43135243. The reversal of 43135222 is 22253134.

It is a junction number, because it is equal to n+sod(n) for n = 43135193 and 43135202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1993 + ... + 9499.

It is an arithmetic number, because the mean of its divisors is an integer number (3091419).

Almost surely, 2^43135222 is an apocalyptic number.

43135222 is a deficient number, since it is larger than the sum of its proper divisors (31058834).

43135222 is a wasteful number, since it uses less digits than its factorization.

43135222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7552 (or 7539 counting only the distinct ones).

The product of its digits is 1440, while the sum is 22.

The square root of 43135222 is about 6567.7410119462. The cubic root of 43135222 is about 350.7066593505.

Adding to 43135222 its reverse (22253134), we get a palindrome (65388356).

It can be divided in two parts, 431 and 35222, that added together give a palindrome (35653).

The spelling of 43135222 in words is "forty-three million, one hundred thirty-five thousand, two hundred twenty-two".