22171167652 has 12 divisors (see below), whose sum is σ = 38811478860. Its totient is φ = 11082173696.

The previous prime is 22171167647. The next prime is 22171167673. The reversal of 22171167652 is 25676117122.

It can be written as a sum of positive squares in 2 ways, for example, as 20216289856 + 1954877796 = 142184^2 + 44214^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 837877 + ... + 863932.

It is an arithmetic number, because the mean of its divisors is an integer number (3234289905).

Almost surely, 2^22171167652 is an apocalyptic number.

It is an amenable number.

22171167652 is a deficient number, since it is larger than the sum of its proper divisors (16640311208).

22171167652 is a wasteful number, since it uses less digits than its factorization.

22171167652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1705070 (or 1705068 counting only the distinct ones).

The product of its digits is 70560, while the sum is 40.

The spelling of 22171167652 in words is "twenty-two billion, one hundred seventy-one million, one hundred sixty-seven thousand, six hundred fifty-two".