226467720851 has 4 divisors (see below), whose sum is σ = 238387074600. Its totient is φ = 214548367104.

The previous prime is 226467720847. The next prime is 226467720887. The reversal of 226467720851 is 158027764622.

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 226467720851 - 2² = 226467720847 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 226467720851.

It is not an unprimeable number, because it can be changed into a prime (226467720821) 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, 5959676846 + ... + 5959676883.

It is an arithmetic number, because the mean of its divisors is an integer number (59596768650).

Almost surely, 2^226467720851 is an apocalyptic number.

226467720851 is a deficient number, since it is larger than the sum of its proper divisors (11919353749).

226467720851 is a wasteful number, since it uses less digits than its factorization.

226467720851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11919353748.

The product of its (nonzero) digits is 2257920, while the sum is 50.

The spelling of 226467720851 in words is "two hundred twenty-six billion, four hundred sixty-seven million, seven hundred twenty thousand, eight hundred fifty-one".