43342231 has 8 divisors (see below), whose sum is σ = 46347984. Its totient is φ = 40387200.

The previous prime is 43342213. The next prime is 43342241. The reversal of 43342231 is 13224334.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 43342231 - 2¹¹ = 43340183 is a prime.

It is a super-2 number, since 2×43342231² = 3757097976114722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43342241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10905 + ... + 14338.

It is an arithmetic number, because the mean of its divisors is an integer number (5793498).

Almost surely, 2^43342231 is an apocalyptic number.

43342231 is a deficient number, since it is larger than the sum of its proper divisors (3005753).

43342231 is a wasteful number, since it uses less digits than its factorization.

43342231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25361.

The product of its digits is 1728, while the sum is 22.

The square root of 43342231 is about 6583.4816776535. The cubic root of 43342231 is about 351.2667863458.

Adding to 43342231 its reverse (13224334), we get a palindrome (56566565).

The spelling of 43342231 in words is "forty-three million, three hundred forty-two thousand, two hundred thirty-one".