22186013672 has 8 divisors (see below), whose sum is σ = 41598775650. Its totient is φ = 11093006832.

The previous prime is 22186013653. The next prime is 22186013683. The reversal of 22186013672 is 27631068122.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 20504521636 + 1681492036 = 143194^2 + 41006^2 .

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, 1386625847 + ... + 1386625862.

Almost surely, 2^22186013672 is an apocalyptic number.

It is an amenable number.

22186013672 is a deficient number, since it is larger than the sum of its proper divisors (19412761978).

22186013672 is a wasteful number, since it uses less digits than its factorization.

22186013672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2773251715 (or 2773251711 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

It can be divided in two parts, 221860 and 13672, that added together give a palindrome (235532).

The spelling of 22186013672 in words is "twenty-two billion, one hundred eighty-six million, thirteen thousand, six hundred seventy-two".