43842212 has 12 divisors (see below), whose sum is σ = 77054796. Its totient is φ = 21826560.

The previous prime is 43842203. The next prime is 43842233. The reversal of 43842212 is 21224834.

It can be written as a sum of positive squares in 2 ways, for example, as 7529536 + 36312676 = 2744^2 + 6026^2 .

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22589 + ... + 24452.

It is an arithmetic number, because the mean of its divisors is an integer number (6421233).

Almost surely, 2^43842212 is an apocalyptic number.

It is an amenable number.

43842212 is a deficient number, since it is larger than the sum of its proper divisors (33212584).

43842212 is a wasteful number, since it uses less digits than its factorization.

43842212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47278 (or 47276 counting only the distinct ones).

The product of its digits is 3072, while the sum is 26.

The square root of 43842212 is about 6621.3451805506. The cubic root of 43842212 is about 352.6123230734.

The spelling of 43842212 in words is "forty-three million, eight hundred forty-two thousand, two hundred twelve".