22173532747 has 8 divisors (see below), whose sum is σ = 22286569536. Its totient is φ = 22060631112.

The previous prime is 22173532739. The next prime is 22173532811. The reversal of 22173532747 is 74723537122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22173532747 - 2³ = 22173532739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22173032747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303708 + ... + 369574.

It is an arithmetic number, because the mean of its divisors is an integer number (2785821192).

Almost surely, 2^22173532747 is an apocalyptic number.

22173532747 is a deficient number, since it is larger than the sum of its proper divisors (113036789).

22173532747 is a wasteful number, since it uses less digits than its factorization.

22173532747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67577.

The product of its digits is 493920, while the sum is 43.

It can be divided in two parts, 2217353 and 2747, that added together give a square (2220100 = 1490²).

The spelling of 22173532747 in words is "twenty-two billion, one hundred seventy-three million, five hundred thirty-two thousand, seven hundred forty-seven".