43211225 has 12 divisors (see below), whose sum is σ = 56402640. Its totient is φ = 32749200.

The previous prime is 43211213. The next prime is 43211243. The reversal of 43211225 is 52211234.

It is not a de Polignac number, because 43211225 - 2¹⁰ = 43210201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43211197 and 43211206.

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, 45011 + ... + 45960.

It is an arithmetic number, because the mean of its divisors is an integer number (4700220).

Almost surely, 2^43211225 is an apocalyptic number.

It is an amenable number.

43211225 is a deficient number, since it is larger than the sum of its proper divisors (13191415).

43211225 is a wasteful number, since it uses less digits than its factorization.

43211225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91000 (or 90995 counting only the distinct ones).

The product of its digits is 480, while the sum is 20.

The square root of 43211225 is about 6573.5245492810. The cubic root of 43211225 is about 350.9125167862.

Adding to 43211225 its reverse (52211234), we get a palindrome (95422459).

Subtracting 43211225 from its reverse (52211234), we obtain a palindrome (9000009).

The spelling of 43211225 in words is "forty-three million, two hundred eleven thousand, two hundred twenty-five".