22167201064 has 8 divisors (see below), whose sum is σ = 41563502010. Its totient is φ = 11083600528.

The previous prime is 22167201041. The next prime is 22167201071. The reversal of 22167201064 is 46010276122.

It can be written as a sum of positive squares in only one way, i.e., 21126622500 + 1040578564 = 145350^2 + 32258^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1385450059 + ... + 1385450074.

Almost surely, 2^22167201064 is an apocalyptic number.

It is an amenable number.

22167201064 is a deficient number, since it is larger than the sum of its proper divisors (19396300946).

22167201064 is a wasteful number, since it uses less digits than its factorization.

22167201064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2770900139 (or 2770900135 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

Adding to 22167201064 its reverse (46010276122), we get a palindrome (68177477186).

The spelling of 22167201064 in words is "twenty-two billion, one hundred sixty-seven million, two hundred one thousand, sixty-four".