226729191385 has 8 divisors (see below), whose sum is σ = 272156048640. Its totient is φ = 181329340464.

The previous prime is 226729191349. The next prime is 226729191401. The reversal of 226729191385 is 583191927622.

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 226729191385 - 2¹⁹ = 226728667097 is a prime.

It is a super-2 number, since 2×226729191385² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6733107 + ... + 6766696.

It is an arithmetic number, because the mean of its divisors is an integer number (34019506080).

Almost surely, 2^226729191385 is an apocalyptic number.

It is an amenable number.

226729191385 is a deficient number, since it is larger than the sum of its proper divisors (45426857255).

226729191385 is a wasteful number, since it uses less digits than its factorization.

226729191385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13503167.

The product of its digits is 3265920, while the sum is 55.

The spelling of 226729191385 in words is "two hundred twenty-six billion, seven hundred twenty-nine million, one hundred ninety-one thousand, three hundred eighty-five".