22131647452 has 12 divisors (see below), whose sum is σ = 39554434080. Its totient is φ = 10830380576.

The previous prime is 22131647449. The next prime is 22131647479. The reversal of 22131647452 is 25474613122.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58860577 + ... + 58860952.

It is an arithmetic number, because the mean of its divisors is an integer number (3296202840).

Almost surely, 2^22131647452 is an apocalyptic number.

It is an amenable number.

22131647452 is a deficient number, since it is larger than the sum of its proper divisors (17422786628).

22131647452 is a wasteful number, since it uses less digits than its factorization.

22131647452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117721580 (or 117721578 counting only the distinct ones).

The product of its digits is 80640, while the sum is 37.

The spelling of 22131647452 in words is "twenty-two billion, one hundred thirty-one million, six hundred forty-seven thousand, four hundred fifty-two".