22422434 has 4 divisors (see below), whose sum is σ = 33633654. Its totient is φ = 11211216.

The previous prime is 22422409. The next prime is 22422437. The reversal of 22422434 is 43422422.

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

It can be written as a sum of positive squares in only one way, i.e., 22420225 + 2209 = 4735^2 + 47^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22422437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5605607 + ... + 5605610.

Almost surely, 2^22422434 is an apocalyptic number.

22422434 is a deficient number, since it is larger than the sum of its proper divisors (11211220).

22422434 is a wasteful number, since it uses less digits than its factorization.

22422434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11211219.

The product of its digits is 3072, while the sum is 23.

The square root of 22422434 is about 4735.2332571902. The cubic root of 22422434 is about 281.9860244906.

Adding to 22422434 its reverse (43422422), we get a palindrome (65844856).

The spelling of 22422434 in words is "twenty-two million, four hundred twenty-two thousand, four hundred thirty-four".