22423445 has 8 divisors (see below), whose sum is σ = 29354400. Its totient is φ = 16307920.

The previous prime is 22423441. The next prime is 22423463. The reversal of 22423445 is 54432422.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22423445 - 2² = 22423441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22423441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203795 + ... + 203904.

It is an arithmetic number, because the mean of its divisors is an integer number (3669300).

Almost surely, 2^22423445 is an apocalyptic number.

It is an amenable number.

22423445 is a deficient number, since it is larger than the sum of its proper divisors (6930955).

22423445 is a wasteful number, since it uses less digits than its factorization.

22423445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407715.

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

The square root of 22423445 is about 4735.3400089117. The cubic root of 22423445 is about 281.9902625613.

Adding to 22423445 its reverse (54432422), we get a palindrome (76855867).

The spelling of 22423445 in words is "twenty-two million, four hundred twenty-three thousand, four hundred forty-five".