226506512563 has 4 divisors (see below), whose sum is σ = 226508036040. Its totient is φ = 226504989088.

The previous prime is 226506512549. The next prime is 226506512593. The reversal of 226506512563 is 365215605622.

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 226506512563 - 2²¹ = 226504415411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226506512593) 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, 511270 + ... + 845227.

It is an arithmetic number, because the mean of its divisors is an integer number (56627009010).

Almost surely, 2^226506512563 is an apocalyptic number.

226506512563 is a deficient number, since it is larger than the sum of its proper divisors (1523477).

226506512563 is a wasteful number, since it uses less digits than its factorization.

226506512563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1523476.

The product of its (nonzero) digits is 648000, while the sum is 43.

The spelling of 226506512563 in words is "two hundred twenty-six billion, five hundred six million, five hundred twelve thousand, five hundred sixty-three".