43213442 has 8 divisors (see below), whose sum is σ = 66911232. Its totient is φ = 20909700.

The previous prime is 43213441. The next prime is 43213453. The reversal of 43213442 is 24431234.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (43213441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 348434 + ... + 348557.

It is an arithmetic number, because the mean of its divisors is an integer number (8363904).

Almost surely, 2^43213442 is an apocalyptic number.

43213442 is a deficient number, since it is larger than the sum of its proper divisors (23697790).

43213442 is a wasteful number, since it uses less digits than its factorization.

43213442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697024.

The product of its digits is 2304, while the sum is 23.

The square root of 43213442 is about 6573.6931781153. The cubic root of 43213442 is about 350.9185180027.

Adding to 43213442 its reverse (24431234), we get a palindrome (67644676).

The spelling of 43213442 in words is "forty-three million, two hundred thirteen thousand, four hundred forty-two".