22022343664 has 40 divisors (see below), whose sum is σ = 42812550000. Its totient is φ = 10974007296.

The previous prime is 22022343659. The next prime is 22022343683. The reversal of 22022343664 is 46634322022.

It is a congruent number.

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, 11127027 + ... + 11129005.

It is an arithmetic number, because the mean of its divisors is an integer number (1070313750).

Almost surely, 2^22022343664 is an apocalyptic number.

It is an amenable number.

22022343664 is a deficient number, since it is larger than the sum of its proper divisors (20790206336).

22022343664 is a wasteful number, since it uses less digits than its factorization.

22022343664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3985 (or 3979 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 22022343664 its reverse (46634322022), we get a palindrome (68656665686).

The spelling of 22022343664 in words is "twenty-two billion, twenty-two million, three hundred forty-three thousand, six hundred sixty-four".