22112422 has 4 divisors (see below), whose sum is σ = 33168636. Its totient is φ = 11056210.

The previous prime is 22112401. The next prime is 22112429. The reversal of 22112422 is 22421122.

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

It is a junction number, because it is equal to n+sod(n) for n = 22112396 and 22112405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22112429) 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, 5528104 + ... + 5528107.

It is an arithmetic number, because the mean of its divisors is an integer number (8292159).

Almost surely, 2^22112422 is an apocalyptic number.

22112422 is a deficient number, since it is larger than the sum of its proper divisors (11056214).

22112422 is a wasteful number, since it uses less digits than its factorization.

22112422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11056213.

The product of its digits is 128, while the sum is 16.

The square root of 22112422 is about 4702.3847141637. The cubic root of 22112422 is about 280.6804115591.

Adding to 22112422 its reverse (22421122), we get a palindrome (44533544).

The spelling of 22112422 in words is "twenty-two million, one hundred twelve thousand, four hundred twenty-two".