226263561272051 has 4 divisors (see below), whose sum is σ = 226986448049592. Its totient is φ = 225540674494512.

The previous prime is 226263561272027. The next prime is 226263561272069. The reversal of 226263561272051 is 150272165362622.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-226263561272051 is a prime.

It is a super-2 number, since 2×226263561272051² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226263561272081) 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, 361443388301 + ... + 361443388926.

It is an arithmetic number, because the mean of its divisors is an integer number (56746612012398).

Almost surely, 2^{226263561272051} is an apocalyptic number.

226263561272051 is a deficient number, since it is larger than the sum of its proper divisors (722886777541).

226263561272051 is an equidigital number, since it uses as much as digits as its factorization.

226263561272051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722886777540.

The product of its (nonzero) digits is 3628800, while the sum is 50.

The spelling of 226263561272051 in words is "two hundred twenty-six trillion, two hundred sixty-three billion, five hundred sixty-one million, two hundred seventy-two thousand, fifty-one".