226890638217 has 16 divisors (see below), whose sum is σ = 336158800000. Its totient is φ = 151249390992.

The previous prime is 226890638173. The next prime is 226890638237. The reversal of 226890638217 is 712836098622.

It is not a de Polignac number, because 226890638217 - 2¹¹ = 226890636169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226890638237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79284 + ... + 678282.

It is an arithmetic number, because the mean of its divisors is an integer number (21009925000).

Almost surely, 2^226890638217 is an apocalyptic number.

226890638217 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

226890638217 is a deficient number, since it is larger than the sum of its proper divisors (109268161783).

226890638217 is a wasteful number, since it uses less digits than its factorization.

226890638217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613037 (or 613031 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 226890638217 in words is "two hundred twenty-six billion, eight hundred ninety million, six hundred thirty-eight thousand, two hundred seventeen".