2239281073 has 8 divisors (see below), whose sum is σ = 2251984680. Its totient is φ = 2226591360.

The previous prime is 2239281071. The next prime is 2239281137. The reversal of 2239281073 is 3701829322.

It can be written as a sum of positive squares in 4 ways, for example, as 756415009 + 1482866064 = 27503^2 + 38508^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2239281073 - 2¹ = 2239281071 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2239281071) 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 7 ways as a sum of consecutive naturals, for example, 632773 + ... + 636301.

It is an arithmetic number, because the mean of its divisors is an integer number (281498085).

Almost surely, 2^2239281073 is an apocalyptic number.

It is an amenable number.

2239281073 is a deficient number, since it is larger than the sum of its proper divisors (12703607).

2239281073 is a wasteful number, since it uses less digits than its factorization.

2239281073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6947.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 2239281073 is about 47321.0426026308. The cubic root of 2239281073 is about 1308.2865294610.

The spelling of 2239281073 in words is "two billion, two hundred thirty-nine million, two hundred eighty-one thousand, seventy-three".