22400222422 has 8 divisors (see below), whose sum is σ = 35061217776. Its totient is φ = 10713149832.

The previous prime is 22400222407. The next prime is 22400222423. The reversal of 22400222422 is 22422200422.

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

It is a junction number, because it is equal to n+sod(n) for n = 22400222393 and 22400222402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22400222423) 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, 243480633 + ... + 243480724.

It is an arithmetic number, because the mean of its divisors is an integer number (4382652222).

Almost surely, 2^22400222422 is an apocalyptic number.

22400222422 is a deficient number, since it is larger than the sum of its proper divisors (12660995354).

22400222422 is a wasteful number, since it uses less digits than its factorization.

22400222422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486961382.

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 22400222422 its reverse (22422200422), we get a palindrome (44822422844).

The spelling of 22400222422 in words is "twenty-two billion, four hundred million, two hundred twenty-two thousand, four hundred twenty-two".