226161499 has 2 divisors, whose sum is σ = 226161500. Its totient is φ = 226161498.

The previous prime is 226161493. The next prime is 226161569. The reversal of 226161499 is 994161622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 226161499 - 2¹³ = 226153307 is a prime.

It is a super-2 number, since 2×226161499² = 102298047259854002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (226161493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113080749 + 113080750.

It is an arithmetic number, because the mean of its divisors is an integer number (113080750).

Almost surely, 2^226161499 is an apocalyptic number.

226161499 is a deficient number, since it is larger than the sum of its proper divisors (1).

226161499 is an equidigital number, since it uses as much as digits as its factorization.

226161499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 40.

The square root of 226161499 is about 15038.6667959630. Note that the first 3 decimals coincide. The cubic root of 226161499 is about 609.2649921744.

The spelling of 226161499 in words is "two hundred twenty-six million, one hundred sixty-one thousand, four hundred ninety-nine".