22017235231 has 8 divisors (see below), whose sum is σ = 22983855840. Its totient is φ = 21051393792.

The previous prime is 22017235223. The next prime is 22017235241. The reversal of 22017235231 is 13253271022.

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 22017235231 - 2³ = 22017235223 is a prime.

It is a super-2 number, since 2×22017235231² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22017235231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22017235241) 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, 136666 + ... + 250423.

It is an arithmetic number, because the mean of its divisors is an integer number (2872981980).

Almost surely, 2^22017235231 is an apocalyptic number.

22017235231 is a deficient number, since it is larger than the sum of its proper divisors (966620609).

22017235231 is a wasteful number, since it uses less digits than its factorization.

22017235231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389585.

The product of its (nonzero) digits is 5040, while the sum is 28.

The spelling of 22017235231 in words is "twenty-two billion, seventeen million, two hundred thirty-five thousand, two hundred thirty-one".