22144166152 has 8 divisors (see below), whose sum is σ = 41520311550. Its totient is φ = 11072083072.

The previous prime is 22144166147. The next prime is 22144166203. The reversal of 22144166152 is 25166144122.

It can be written as a sum of positive squares in only one way, i.e., 13162055076 + 8982111076 = 114726^2 + 94774^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1384010377 + ... + 1384010392.

Almost surely, 2^22144166152 is an apocalyptic number.

It is an amenable number.

22144166152 is a deficient number, since it is larger than the sum of its proper divisors (19376145398).

22144166152 is a wasteful number, since it uses less digits than its factorization.

22144166152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2768020775 (or 2768020771 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The spelling of 22144166152 in words is "twenty-two billion, one hundred forty-four million, one hundred sixty-six thousand, one hundred fifty-two".