2266226262261 has 24 divisors (see below), whose sum is σ = 3583031697336. Its totient is φ = 1371738464640.

The previous prime is 2266226262241. The next prime is 2266226262277. The reversal of 2266226262261 is 1622626226622.

It can be written as a sum of positive squares in 4 ways, for example, as 33499980900 + 2232726281361 = 183030^2 + 1494231^2 .

It is not a de Polignac number, because 2266226262261 - 2⁶ = 2266226262197 is a prime.

It is a super-2 number, since 2×2266226262261² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2266226262211) 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, 158758890 + ... + 158773163.

It is an arithmetic number, because the mean of its divisors is an integer number (149292987389).

Almost surely, 2^{2266226262261} is an apocalyptic number.

It is an amenable number.

2266226262261 is a deficient number, since it is larger than the sum of its proper divisors (1316805435075).

2266226262261 is a wasteful number, since it uses less digits than its factorization.

2266226262261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317532133 (or 317532130 counting only the distinct ones).

The product of its digits is 995328, while the sum is 45.

The spelling of 2266226262261 in words is "two trillion, two hundred sixty-six billion, two hundred twenty-six million, two hundred sixty-two thousand, two hundred sixty-one".