226129894127 has 4 divisors (see below), whose sum is σ = 226268032536. Its totient is φ = 225991755720.

The previous prime is 226129894099. The next prime is 226129894139. The reversal of 226129894127 is 721498921622.

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 226129894127 - 2³⁰ = 225056152303 is a prime.

It is a super-2 number, since 2×226129894127² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226129894187) 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, 69066749 + ... + 69070022.

It is an arithmetic number, because the mean of its divisors is an integer number (56567008134).

Almost surely, 2^226129894127 is an apocalyptic number.

226129894127 is a deficient number, since it is larger than the sum of its proper divisors (138138409).

226129894127 is a wasteful number, since it uses less digits than its factorization.

226129894127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138138408.

The product of its digits is 1741824, while the sum is 53.

The spelling of 226129894127 in words is "two hundred twenty-six billion, one hundred twenty-nine million, eight hundred ninety-four thousand, one hundred twenty-seven".