226001237561 has 16 divisors (see below), whose sum is σ = 249971804160. Its totient is φ = 202607842320.

The previous prime is 226001237551. The next prime is 226001237573. The reversal of 226001237561 is 165732100622.

It is a cyclic number.

It is not a de Polignac number, because 226001237561 - 2²⁶ = 225934128697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226001237551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 557186 + ... + 873188.

It is an arithmetic number, because the mean of its divisors is an integer number (15623237760).

Almost surely, 2^226001237561 is an apocalyptic number.

It is an amenable number.

226001237561 is a deficient number, since it is larger than the sum of its proper divisors (23970566599).

226001237561 is a wasteful number, since it uses less digits than its factorization.

226001237561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316916.

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 226001237561 in words is "two hundred twenty-six billion, one million, two hundred thirty-seven thousand, five hundred sixty-one".