43442422 has 4 divisors (see below), whose sum is σ = 65163636. Its totient is φ = 21721210.

The previous prime is 43442393. The next prime is 43442453. The reversal of 43442422 is 22424434.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10860604 + ... + 10860607.

It is an arithmetic number, because the mean of its divisors is an integer number (16290909).

Almost surely, 2^43442422 is an apocalyptic number.

43442422 is a deficient number, since it is larger than the sum of its proper divisors (21721214).

43442422 is a wasteful number, since it uses less digits than its factorization.

43442422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21721213.

The product of its digits is 6144, while the sum is 25.

The square root of 43442422 is about 6591.0865568584. The cubic root of 43442422 is about 351.5372437902.

Adding to 43442422 its reverse (22424434), we get a palindrome (65866856).

The spelling of 43442422 in words is "forty-three million, four hundred forty-two thousand, four hundred twenty-two".