226140149 has 2 divisors, whose sum is σ = 226140150. Its totient is φ = 226140148.

The previous prime is 226140049. The next prime is 226140151. The reversal of 226140149 is 941041622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125037124 + 101103025 = 11182^2 + 10055^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-226140149 is a prime.

It is a super-2 number, since 2×226140149² = 102278733979484402, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 226140151, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226140199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113070074 + 113070075.

It is an arithmetic number, because the mean of its divisors is an integer number (113070075).

Almost surely, 2^226140149 is an apocalyptic number.

It is an amenable number.

226140149 is a deficient number, since it is larger than the sum of its proper divisors (1).

226140149 is an equidigital number, since it uses as much as digits as its factorization.

226140149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 226140149 is about 15037.9569423509. The cubic root of 226140149 is about 609.2458197143.

The spelling of 226140149 in words is "two hundred twenty-six million, one hundred forty thousand, one hundred forty-nine".