43221150 has 72 divisors (see below), whose sum is σ = 132719184. Its totient is φ = 9878400.

The previous prime is 43221131. The next prime is 43221151. The reversal of 43221150 is 5112234.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43221151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3711 + ... + 10010.

It is an arithmetic number, because the mean of its divisors is an integer number (1843322).

Almost surely, 2^43221150 is an apocalyptic number.

43221150 is an abundant number, since it is smaller than the sum of its proper divisors (89498034).

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

43221150 is a wasteful number, since it uses less digits than its factorization.

43221150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13746 (or 13738 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 43221150 is about 6574.2794281959. The cubic root of 43221150 is about 350.9393812573.

Adding to 43221150 its reverse (5112234), we get a palindrome (48333384).

The spelling of 43221150 in words is "forty-three million, two hundred twenty-one thousand, one hundred fifty".