2266434045521 has 8 divisors (see below), whose sum is σ = 2273846212584. Its totient is φ = 2259023530240.

The previous prime is 2266434045409. The next prime is 2266434045523. The reversal of 2266434045521 is 1255404346622.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 103066681600 + 2163367363921 = 321040^2 + 1470839^2 .

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 2266434045521 - 2¹⁴ = 2266434029137 is a prime.

It is a super-2 number, since 2×2266434045521² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2266434045523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2366291 + ... + 3183111.

It is an arithmetic number, because the mean of its divisors is an integer number (284230776573).

Almost surely, 2^{2266434045521} is an apocalyptic number.

It is an amenable number.

2266434045521 is a deficient number, since it is larger than the sum of its proper divisors (7412167063).

2266434045521 is an equidigital number, since it uses as much as digits as its factorization.

2266434045521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825891.

The product of its (nonzero) digits is 1382400, while the sum is 44.

The spelling of 2266434045521 in words is "two trillion, two hundred sixty-six billion, four hundred thirty-four million, forty-five thousand, five hundred twenty-one".