22422345 has 16 divisors (see below), whose sum is σ = 39137472. Its totient is φ = 10871360.

The previous prime is 22422329. The next prime is 22422347. The reversal of 22422345 is 54322422.

It is a happy number.

It is not a de Polignac number, because 22422345 - 2⁴ = 22422329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22422347) 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 in 15 ways as a sum of consecutive naturals, for example, 67782 + ... + 68111.

It is an arithmetic number, because the mean of its divisors is an integer number (2446092).

Almost surely, 2^22422345 is an apocalyptic number.

It is an amenable number.

22422345 is a deficient number, since it is larger than the sum of its proper divisors (16715127).

22422345 is a wasteful number, since it uses less digits than its factorization.

22422345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135912.

The product of its digits is 3840, while the sum is 24.

The square root of 22422345 is about 4735.2238595446. The cubic root of 22422345 is about 281.9856514001.

Adding to 22422345 its reverse (54322422), we get a palindrome (76744767).

The spelling of 22422345 in words is "twenty-two million, four hundred twenty-two thousand, three hundred forty-five".