226720385127 has 64 divisors (see below), whose sum is σ = 353590272000. Its totient is φ = 143298904320.

The previous prime is 226720385119. The next prime is 226720385137. The reversal of 226720385127 is 721583027622.

226720385127 is a `hidden beast` number, since 2 + 267 + 2 + 0 + 385 + 1 + 2 + 7 = 666.

It is not a de Polignac number, because 226720385127 - 2³ = 226720385119 is a prime.

It is a super-2 number, since 2×226720385127² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226720385137) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 48205258 + ... + 48209960.

It is an arithmetic number, because the mean of its divisors is an integer number (5524848000).

Almost surely, 2^226720385127 is an apocalyptic number.

226720385127 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

226720385127 is a deficient number, since it is larger than the sum of its proper divisors (126869886873).

226720385127 is a wasteful number, since it uses less digits than its factorization.

226720385127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5405 (or 5399 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The spelling of 226720385127 in words is "two hundred twenty-six billion, seven hundred twenty million, three hundred eighty-five thousand, one hundred twenty-seven".