22422346 has 8 divisors (see below), whose sum is σ = 33653700. Its totient is φ = 11204448.

The previous prime is 22422329. The next prime is 22422347. The reversal of 22422346 is 64322422.

It can be written as a sum of positive squares in 2 ways, for example, as 22325625 + 96721 = 4725^2 + 311^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 22422346.

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 3 ways as a sum of consecutive naturals, for example, 4260 + ... + 7936.

Almost surely, 2^22422346 is an apocalyptic number.

22422346 is a deficient number, since it is larger than the sum of its proper divisors (11231354).

22422346 is a wasteful number, since it uses less digits than its factorization.

22422346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6728.

The product of its digits is 4608, while the sum is 25.

The square root of 22422346 is about 4735.2239651362. The cubic root of 22422346 is about 281.9856555921.

Adding to 22422346 its reverse (64322422), we get a palindrome (86744768).

The spelling of 22422346 in words is "twenty-two million, four hundred twenty-two thousand, three hundred forty-six".