43422254 has 4 divisors (see below), whose sum is σ = 65133384. Its totient is φ = 21711126.

The previous prime is 43422241. The next prime is 43422257. The reversal of 43422254 is 45222434.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43422257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10855562 + ... + 10855565.

It is an arithmetic number, because the mean of its divisors is an integer number (16283346).

Almost surely, 2^43422254 is an apocalyptic number.

43422254 is a deficient number, since it is larger than the sum of its proper divisors (21711130).

43422254 is a wasteful number, since it uses less digits than its factorization.

43422254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21711129.

The product of its digits is 7680, while the sum is 26.

The square root of 43422254 is about 6589.5564342374. The cubic root of 43422254 is about 351.4828353708.

Adding to 43422254 its reverse (45222434), we get a palindrome (88644688).

The spelling of 43422254 in words is "forty-three million, four hundred twenty-two thousand, two hundred fifty-four".