2266224419981 has 4 divisors (see below), whose sum is σ = 2321498186364. Its totient is φ = 2210950653600.

The previous prime is 2266224419887. The next prime is 2266224419989. The reversal of 2266224419981 is 1899144226622.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 802448682025 + 1463775737956 = 895795^2 + 1209866^2 .

It is a cyclic number.

It is not a de Polignac number, because 2266224419981 - 2¹⁸ = 2266224157837 is a prime.

It is a super-2 number, since 2×2266224419981² (a number of 26 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 (2266224419989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27636883130 + ... + 27636883211.

It is an arithmetic number, because the mean of its divisors is an integer number (580374546591).

Almost surely, 2^{2266224419981} is an apocalyptic number.

It is an amenable number.

2266224419981 is a deficient number, since it is larger than the sum of its proper divisors (55273766383).

2266224419981 is an equidigital number, since it uses as much as digits as its factorization.

2266224419981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55273766382.

The product of its digits is 5971968, while the sum is 56.

The spelling of 2266224419981 in words is "two trillion, two hundred sixty-six billion, two hundred twenty-four million, four hundred nineteen thousand, nine hundred eighty-one".