43322225 has 24 divisors (see below), whose sum is σ = 57049920. Its totient is φ = 32563520.

The previous prime is 43322183. The next prime is 43322231. The reversal of 43322225 is 52222334.

It is not a de Polignac number, because 43322225 - 2⁶ = 43322161 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

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 43322225.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33287 + ... + 34563.

It is an arithmetic number, because the mean of its divisors is an integer number (2377080).

Almost surely, 2^43322225 is an apocalyptic number.

It is an amenable number.

43322225 is a deficient number, since it is larger than the sum of its proper divisors (13727695).

43322225 is a wasteful number, since it uses less digits than its factorization.

43322225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1369 (or 1364 counting only the distinct ones).

The product of its digits is 2880, while the sum is 23.

The square root of 43322225 is about 6581.9620934794. The cubic root of 43322225 is about 351.2127318691.

Adding to 43322225 its reverse (52222334), we get a palindrome (95544559).

The spelling of 43322225 in words is "forty-three million, three hundred twenty-two thousand, two hundred twenty-five".