226989871505 has 8 divisors (see below), whose sum is σ = 272393337024. Its totient is φ = 181588236400.

The previous prime is 226989871501. The next prime is 226989871513. The reversal of 226989871505 is 505178989622.

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

It is not a de Polignac number, because 226989871505 - 2² = 226989871501 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226989871501) 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, 168131 + ... + 694440.

It is an arithmetic number, because the mean of its divisors is an integer number (34049167128).

Almost surely, 2^226989871505 is an apocalyptic number.

It is an amenable number.

226989871505 is a deficient number, since it is larger than the sum of its proper divisors (45403465519).

226989871505 is an equidigital number, since it uses as much as digits as its factorization.

226989871505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915207.

The product of its (nonzero) digits is 21772800, while the sum is 62.

The spelling of 226989871505 in words is "two hundred twenty-six billion, nine hundred eighty-nine million, eight hundred seventy-one thousand, five hundred five".