2266226266261 has 8 divisors (see below), whose sum is σ = 2272872999384. Its totient is φ = 2259580815360.

The previous prime is 2266226266229. The next prime is 2266226266303. The reversal of 2266226266261 is 1626626226622.

It can be written as a sum of positive squares in 4 ways, for example, as 90440100 + 2266135826161 = 9510^2 + 1505369^2 .

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 2266226266261 - 2⁵ = 2266226266229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2266226266961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3278605 + ... + 3909181.

It is an arithmetic number, because the mean of its divisors is an integer number (284109124923).

Almost surely, 2^{2266226266261} is an apocalyptic number.

It is an amenable number.

2266226266261 is a deficient number, since it is larger than the sum of its proper divisors (6646733123).

2266226266261 is a wasteful number, since it uses less digits than its factorization.

2266226266261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641111.

The product of its digits is 2985984, while the sum is 49.

The spelling of 2266226266261 in words is "two trillion, two hundred sixty-six billion, two hundred twenty-six million, two hundred sixty-six thousand, two hundred sixty-one".