22201022322 has 32 divisors (see below), whose sum is σ = 49369095360. Its totient is φ = 7395317280.

The previous prime is 22201022303. The next prime is 22201022323. The reversal of 22201022322 is 22322010222.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22201022295 and 22201022304.

It is not an unprimeable number, because it can be changed into a prime (22201022323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58828 + ... + 218775.

It is an arithmetic number, because the mean of its divisors is an integer number (1542784230).

Almost surely, 2^22201022322 is an apocalyptic number.

22201022322 is an abundant number, since it is smaller than the sum of its proper divisors (27168073038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22201022322 is a wasteful number, since it uses less digits than its factorization.

22201022322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279095 (or 279089 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 22201022322 its reverse (22322010222), we get a palindrome (44523032544).

The spelling of 22201022322 in words is "twenty-two billion, two hundred one million, twenty-two thousand, three hundred twenty-two".