226515742247 has 4 divisors (see below), whose sum is σ = 226577349336. Its totient is φ = 226454135160.

The previous prime is 226515742207. The next prime is 226515742267. The reversal of 226515742247 is 742247515622.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 226515742247 - 2¹⁶ = 226515676711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226515742207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30798029 + ... + 30805382.

It is an arithmetic number, because the mean of its divisors is an integer number (56644337334).

Almost surely, 2^226515742247 is an apocalyptic number.

226515742247 is a deficient number, since it is larger than the sum of its proper divisors (61607089).

226515742247 is an equidigital number, since it uses as much as digits as its factorization.

226515742247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61607088.

The product of its digits is 1881600, while the sum is 47.

The spelling of 226515742247 in words is "two hundred twenty-six billion, five hundred fifteen million, seven hundred forty-two thousand, two hundred forty-seven".