226431357569 has 4 divisors (see below), whose sum is σ = 226466628180. Its totient is φ = 226396086960.

The previous prime is 226431357553. The next prime is 226431357589. The reversal of 226431357569 is 965753134622.

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

It can be written as a sum of positive squares in 2 ways, for example, as 18939264400 + 207492093169 = 137620^2 + 455513^2 .

It is a cyclic number.

It is not a de Polignac number, because 226431357569 - 2⁴ = 226431357553 is a prime.

It is a super-2 number, since 2×226431357569² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 226431357569.

It is not an unprimeable number, because it can be changed into a prime (226431357589) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17625674 + ... + 17638515.

It is an arithmetic number, because the mean of its divisors is an integer number (56616657045).

Almost surely, 2^226431357569 is an apocalyptic number.

It is an amenable number.

226431357569 is a deficient number, since it is larger than the sum of its proper divisors (35270611).

226431357569 is an equidigital number, since it uses as much as digits as its factorization.

226431357569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35270610.

The product of its digits is 8164800, while the sum is 53.

The spelling of 226431357569 in words is "two hundred twenty-six billion, four hundred thirty-one million, three hundred fifty-seven thousand, five hundred sixty-nine".