226067280181 has 2 divisors, whose sum is σ = 226067280182. Its totient is φ = 226067280180.

The previous prime is 226067280169. The next prime is 226067280191. The reversal of 226067280181 is 181082760622.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 202508100081 + 23559180100 = 450009^2 + 153490^2 .

It is a cyclic number.

It is not a de Polignac number, because 226067280181 - 2³⁵ = 191707541813 is a prime.

It is a super-2 number, since 2×226067280181² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226067280191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113033640090 + 113033640091.

It is an arithmetic number, because the mean of its divisors is an integer number (113033640091).

Almost surely, 2^226067280181 is an apocalyptic number.

It is an amenable number.

226067280181 is a deficient number, since it is larger than the sum of its proper divisors (1).

226067280181 is an equidigital number, since it uses as much as digits as its factorization.

226067280181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129024, while the sum is 43.

The spelling of 226067280181 in words is "two hundred twenty-six billion, sixty-seven million, two hundred eighty thousand, one hundred eighty-one".