226308577891 has 8 divisors (see below), whose sum is σ = 247124376000. Its totient is φ = 205533161640.

The previous prime is 226308577861. The next prime is 226308577903. The reversal of 226308577891 is 198775803622.

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 226308577891 - 2⁹ = 226308577379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226308577861) 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, 10083741 + ... + 10106158.

It is an arithmetic number, because the mean of its divisors is an integer number (30890547000).

Almost surely, 2^226308577891 is an apocalyptic number.

226308577891 is a deficient number, since it is larger than the sum of its proper divisors (20815798109).

226308577891 is a wasteful number, since it uses less digits than its factorization.

226308577891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20190929.

The product of its (nonzero) digits is 10160640, while the sum is 58.

The spelling of 226308577891 in words is "two hundred twenty-six billion, three hundred eight million, five hundred seventy-seven thousand, eight hundred ninety-one".