43221052 has 24 divisors (see below), whose sum is σ = 88552800. Its totient is φ = 18071040.

The previous prime is 43221047. The next prime is 43221083. The reversal of 43221052 is 25012234.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17677 + ... + 19972.

It is an arithmetic number, because the mean of its divisors is an integer number (3689700).

Almost surely, 2^43221052 is an apocalyptic number.

It is an amenable number.

43221052 is an abundant number, since it is smaller than the sum of its proper divisors (45331748).

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

43221052 is a wasteful number, since it uses less digits than its factorization.

43221052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37701 (or 37699 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 43221052 is about 6574.2719749034. The cubic root of 43221052 is about 350.9391160161.

Adding to 43221052 its reverse (25012234), we get a palindrome (68233286).

The spelling of 43221052 in words is "forty-three million, two hundred twenty-one thousand, fifty-two".