43622113 has 4 divisors (see below), whose sum is σ = 43721920. Its totient is φ = 43522308.

The previous prime is 43622107. The next prime is 43622143. The reversal of 43622113 is 31122634.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 43622113 - 2⁹ = 43621601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43622143) 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, 49245 + ... + 50122.

It is an arithmetic number, because the mean of its divisors is an integer number (10930480).

Almost surely, 2^43622113 is an apocalyptic number.

It is an amenable number.

43622113 is a deficient number, since it is larger than the sum of its proper divisors (99807).

43622113 is an equidigital number, since it uses as much as digits as its factorization.

43622113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99806.

The product of its digits is 864, while the sum is 22.

The square root of 43622113 is about 6604.7038540725. The cubic root of 43622113 is about 352.0212651797.

Adding to 43622113 its reverse (31122634), we get a palindrome (74744747).

The spelling of 43622113 in words is "forty-three million, six hundred twenty-two thousand, one hundred thirteen".