2222736281 has 6 divisors (see below), whose sum is σ = 2361176910. Its totient is φ = 2091986816.

The previous prime is 2222736227. The next prime is 2222736289. The reversal of 2222736281 is 1826372222.

It can be written as a sum of positive squares in 3 ways, for example, as 1703625625 + 519110656 = 41275^2 + 22784^2 .

It is not a de Polignac number, because 2222736281 - 2¹⁰ = 2222735257 is a prime.

It is a super-2 number, since 2×2222736281² = 9881113149747421922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2222736289) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3845276 + ... + 3845853.

It is an arithmetic number, because the mean of its divisors is an integer number (393529485).

Almost surely, 2^2222736281 is an apocalyptic number.

It is an amenable number.

2222736281 is a deficient number, since it is larger than the sum of its proper divisors (138440629).

2222736281 is an equidigital number, since it uses as much as digits as its factorization.

2222736281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7691163 (or 7691146 counting only the distinct ones).

The product of its digits is 32256, while the sum is 35.

The square root of 2222736281 is about 47145.9041805330. The cubic root of 2222736281 is about 1305.0564962354.

The spelling of 2222736281 in words is "two billion, two hundred twenty-two million, seven hundred thirty-six thousand, two hundred eighty-one".