266224015213 has 8 divisors (see below), whose sum is σ = 303567655608. Its totient is φ = 231289641984.

The previous prime is 266224015201. The next prime is 266224015241. The reversal of 266224015213 is 312510422662.

It can be written as a sum of positive squares in 4 ways, for example, as 1330571529 + 264893443684 = 36477^2 + 514678^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-266224015213 is a prime.

It is a super-2 number, since 2×266224015213² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266224015243) 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, 602316556 + ... + 602316997.

It is an arithmetic number, because the mean of its divisors is an integer number (37945956951).

Almost surely, 2^266224015213 is an apocalyptic number.

It is an amenable number.

266224015213 is a deficient number, since it is larger than the sum of its proper divisors (37343640395).

266224015213 is a wasteful number, since it uses less digits than its factorization.

266224015213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204633583.

The product of its (nonzero) digits is 34560, while the sum is 34.

Adding to 266224015213 its reverse (312510422662), we get a palindrome (578734437875).

The spelling of 266224015213 in words is "two hundred sixty-six billion, two hundred twenty-four million, fifteen thousand, two hundred thirteen".