2242618281 has 12 divisors (see below), whose sum is σ = 3246824308. Its totient is φ = 1491623424.

The previous prime is 2242618271. The next prime is 2242618303. The reversal of 2242618281 is 1828162422.

2242618281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1231378281 + 1011240000 = 35091^2 + 31800^2 .

It is not a de Polignac number, because 2242618281 - 2⁷ = 2242618153 is a prime.

It is a super-2 number, since 2×2242618281² = 10058673508550789922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2242618271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 283840 + ... + 291633.

Almost surely, 2^2242618281 is an apocalyptic number.

It is an amenable number.

2242618281 is a deficient number, since it is larger than the sum of its proper divisors (1004206027).

2242618281 is a wasteful number, since it uses less digits than its factorization.

2242618281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575912 (or 575909 counting only the distinct ones).

The product of its digits is 24576, while the sum is 36.

The square root of 2242618281 is about 47356.2908281466. The cubic root of 2242618281 is about 1308.9361214542.

The spelling of 2242618281 in words is "two billion, two hundred forty-two million, six hundred eighteen thousand, two hundred eighty-one".