2234864581 has 2 divisors, whose sum is σ = 2234864582. Its totient is φ = 2234864580.

The previous prime is 2234864579. The next prime is 2234864603. The reversal of 2234864581 is 1854684322.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1680262081 + 554602500 = 40991^2 + 23550^2 .

It is a cyclic number.

It is not a de Polignac number, because 2234864581 - 2¹ = 2234864579 is a prime.

It is a super-2 number, since 2×2234864581² = 9989239390816611122, which contains 22 as substring.

Together with 2234864579, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2234864881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1117432290 + 1117432291.

It is an arithmetic number, because the mean of its divisors is an integer number (1117432291).

Almost surely, 2^2234864581 is an apocalyptic number.

It is an amenable number.

2234864581 is a deficient number, since it is larger than the sum of its proper divisors (1).

2234864581 is an equidigital number, since it uses as much as digits as its factorization.

2234864581 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 368640, while the sum is 43.

The square root of 2234864581 is about 47274.3543689388. The cubic root of 2234864581 is about 1307.4258604028.

The spelling of 2234864581 in words is "two billion, two hundred thirty-four million, eight hundred sixty-four thousand, five hundred eighty-one".