226523036645 has 8 divisors (see below), whose sum is σ = 271914314904. Its totient is φ = 181160648704.

The previous prime is 226523036609. The next prime is 226523036647. The reversal of 226523036645 is 546630325622.

It can be written as a sum of positive squares in 4 ways, for example, as 111271613476 + 115251423169 = 333574^2 + 339487^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 226523036645 - 2⁶ = 226523036581 is a prime.

It is a super-2 number, since 2×226523036645² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 226523036596 and 226523036605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226523036647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7205324 + ... + 7236693.

It is an arithmetic number, because the mean of its divisors is an integer number (33989289363).

Almost surely, 2^226523036645 is an apocalyptic number.

It is an amenable number.

226523036645 is a deficient number, since it is larger than the sum of its proper divisors (45391278259).

226523036645 is a wasteful number, since it uses less digits than its factorization.

226523036645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14445159.

The product of its (nonzero) digits is 1555200, while the sum is 44.

The spelling of 226523036645 in words is "two hundred twenty-six billion, five hundred twenty-three million, thirty-six thousand, six hundred forty-five".