22444342 has 4 divisors (see below), whose sum is σ = 33666516. Its totient is φ = 11222170.

The previous prime is 22444327. The next prime is 22444349. The reversal of 22444342 is 24344422.

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 (22444349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5611084 + ... + 5611087.

It is an arithmetic number, because the mean of its divisors is an integer number (8416629).

Almost surely, 2^22444342 is an apocalyptic number.

22444342 is a deficient number, since it is larger than the sum of its proper divisors (11222174).

22444342 is a wasteful number, since it uses less digits than its factorization.

22444342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11222173.

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

The square root of 22444342 is about 4737.5459892227. The cubic root of 22444342 is about 282.0778334189.

Adding to 22444342 its reverse (24344422), we get a palindrome (46788764).

The spelling of 22444342 in words is "twenty-two million, four hundred forty-four thousand, three hundred forty-two".