226521045739 has 2 divisors, whose sum is σ = 226521045740. Its totient is φ = 226521045738.

The previous prime is 226521045671. The next prime is 226521045743. The reversal of 226521045739 is 937540125622.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 226521045739 - 2²¹ = 226518948587 is a prime.

It is a super-2 number, since 2×226521045739² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (226521045539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113260522869 + 113260522870.

It is an arithmetic number, because the mean of its divisors is an integer number (113260522870).

Almost surely, 2^226521045739 is an apocalyptic number.

226521045739 is a deficient number, since it is larger than the sum of its proper divisors (1).

226521045739 is an equidigital number, since it uses as much as digits as its factorization.

226521045739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 226521045739 in words is "two hundred twenty-six billion, five hundred twenty-one million, forty-five thousand, seven hundred thirty-nine".