226145433811 has 4 divisors (see below), whose sum is σ = 246704109624. Its totient is φ = 205586758000.

The previous prime is 226145433797. The next prime is 226145433817. The reversal of 226145433811 is 118334541622.

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 226145433811 - 2²¹ = 226143336659 is a prime.

It is a super-2 number, since 2×226145433811² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226145433817) 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, 10279337890 + ... + 10279337911.

It is an arithmetic number, because the mean of its divisors is an integer number (61676027406).

Almost surely, 2^226145433811 is an apocalyptic number.

226145433811 is a deficient number, since it is larger than the sum of its proper divisors (20558675813).

226145433811 is a wasteful number, since it uses less digits than its factorization.

226145433811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20558675812.

The product of its digits is 138240, while the sum is 40.

It can be divided in two parts, 226145 and 433811, that added together give a palindrome (659956).

The spelling of 226145433811 in words is "two hundred twenty-six billion, one hundred forty-five million, four hundred thirty-three thousand, eight hundred eleven".