922173913487 has 4 divisors (see below), whose sum is σ = 931304348376. Its totient is φ = 913043478600.

The previous prime is 922173913387. The next prime is 922173913523. The reversal of 922173913487 is 784319371229.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 922173913487 - 2²⁰ = 922172864911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (922173913187) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4565217293 + ... + 4565217494.

It is an arithmetic number, because the mean of its divisors is an integer number (232826087094).

Almost surely, 2^922173913487 is an apocalyptic number.

922173913487 is a deficient number, since it is larger than the sum of its proper divisors (9130434889).

922173913487 is a wasteful number, since it uses less digits than its factorization.

922173913487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9130434888.

The product of its digits is 4572288, while the sum is 56.

The spelling of 922173913487 in words is "nine hundred twenty-two billion, one hundred seventy-three million, nine hundred thirteen thousand, four hundred eighty-seven".