226564065477 has 24 divisors (see below), whose sum is σ = 340358570240. Its totient is φ = 145100198880.

The previous prime is 226564065467. The next prime is 226564065479. The reversal of 226564065477 is 774560465622.

226564065477 is a `hidden beast` number, since 2 + 2 + 6 + 56 + 40 + 6 + 547 + 7 = 666.

It is not a de Polignac number, because 226564065477 - 2¹⁶ = 226563999941 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226564065479) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4279849 + ... + 4332462.

Almost surely, 2^226564065477 is an apocalyptic number.

It is an amenable number.

226564065477 is a deficient number, since it is larger than the sum of its proper divisors (113794504763).

226564065477 is a wasteful number, since it uses less digits than its factorization.

226564065477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8612433 (or 8612430 counting only the distinct ones).

The product of its (nonzero) digits is 16934400, while the sum is 54.

The spelling of 226564065477 in words is "two hundred twenty-six billion, five hundred sixty-four million, sixty-five thousand, four hundred seventy-seven".