226520774661 has 8 divisors (see below), whose sum is σ = 302096783520. Its totient is φ = 150979307792.

The previous prime is 226520774657. The next prime is 226520774677. The reversal of 226520774661 is 166477025622.

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 226520774661 - 2² = 226520774657 is a prime.

It is a super-2 number, since 2×226520774661² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 226520774661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226520774651) 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, 8620191 + ... + 8646428.

It is an arithmetic number, because the mean of its divisors is an integer number (37762097940).

Almost surely, 2^226520774661 is an apocalyptic number.

It is an amenable number.

226520774661 is a deficient number, since it is larger than the sum of its proper divisors (75576008859).

226520774661 is a wasteful number, since it uses less digits than its factorization.

226520774661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17270995.

The product of its (nonzero) digits is 1693440, while the sum is 48.

The spelling of 226520774661 in words is "two hundred twenty-six billion, five hundred twenty million, seven hundred seventy-four thousand, six hundred sixty-one".