22103312322 has 64 divisors (see below), whose sum is σ = 54773510400. Its totient is φ = 5790299904.

The previous prime is 22103312321. The next prime is 22103312347. The reversal of 22103312322 is 22321330122.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (22103312321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54493 + ... + 217200.

It is an arithmetic number, because the mean of its divisors is an integer number (855836100).

Almost surely, 2^22103312322 is an apocalyptic number.

22103312322 is an abundant number, since it is smaller than the sum of its proper divisors (32670198078).

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

22103312322 is a wasteful number, since it uses less digits than its factorization.

22103312322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271867.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 22103312322 its reverse (22321330122), we get a palindrome (44424642444).

The spelling of 22103312322 in words is "twenty-two billion, one hundred three million, three hundred twelve thousand, three hundred twenty-two".