2294237981 has 16 divisors (see below), whose sum is σ = 2667644928. Its totient is φ = 1932428400.

The previous prime is 2294237963. The next prime is 2294237993. The reversal of 2294237981 is 1897324922.

It is a happy number.

It is not a de Polignac number, because 2294237981 - 2¹⁴ = 2294221597 is a prime.

It is a super-2 number, since 2×2294237981² = 10527055826925912722, which 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 (2294237381) 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 15 ways as a sum of consecutive naturals, for example, 147146 + ... + 161988.

It is an arithmetic number, because the mean of its divisors is an integer number (166727808).

Almost surely, 2^2294237981 is an apocalyptic number.

It is an amenable number.

2294237981 is a deficient number, since it is larger than the sum of its proper divisors (373406947).

2294237981 is a wasteful number, since it uses less digits than its factorization.

2294237981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15232.

The product of its digits is 435456, while the sum is 47.

The square root of 2294237981 is about 47898.2043609152. The cubic root of 2294237981 is about 1318.9028956064.

The spelling of 2294237981 in words is "two billion, two hundred ninety-four million, two hundred thirty-seven thousand, nine hundred eighty-one".