22421422 has 8 divisors (see below), whose sum is σ = 33946776. Its totient is φ = 11105832.

The previous prime is 22421411. The next prime is 22421423. The reversal of 22421422 is 22412422.

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 22421422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22421423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52173 + ... + 52600.

It is an arithmetic number, because the mean of its divisors is an integer number (4243347).

Almost surely, 2^22421422 is an apocalyptic number.

22421422 is a deficient number, since it is larger than the sum of its proper divisors (11525354).

22421422 is a wasteful number, since it uses less digits than its factorization.

22421422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104882.

The product of its digits is 512, while the sum is 19.

The square root of 22421422 is about 4735.1263974682. The cubic root of 22421422 is about 281.9817821003.

Adding to 22421422 its reverse (22412422), we get a palindrome (44833844).

The spelling of 22421422 in words is "twenty-two million, four hundred twenty-one thousand, four hundred twenty-two".