22167321672 has 32 divisors (see below), whose sum is σ = 55456584480. Its totient is φ = 7384003200.

The previous prime is 22167321667. The next prime is 22167321689. The reversal of 22167321672 is 27612376122.

It is a self number, because there is not a number n which added to its sum of digits gives 22167321672.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283453 + ... + 353100.

It is an arithmetic number, because the mean of its divisors is an integer number (1733018265).

Almost surely, 2^22167321672 is an apocalyptic number.

It is an amenable number.

22167321672 is an abundant number, since it is smaller than the sum of its proper divisors (33289262808).

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

22167321672 is a wasteful number, since it uses less digits than its factorization.

22167321672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638013 (or 638009 counting only the distinct ones).

The product of its digits is 84672, while the sum is 39.

Adding to 22167321672 its reverse (27612376122), we get a palindrome (49779697794).

The spelling of 22167321672 in words is "twenty-two billion, one hundred sixty-seven million, three hundred twenty-one thousand, six hundred seventy-two".