2239277042 has 6 divisors (see below), whose sum is σ = 3359015949. Its totient is φ = 1119605060.

The previous prime is 2239277039. The next prime is 2239277059. The reversal of 2239277042 is 2407729322.

It is a Cunningham number, because it is equal to 47321²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 2239277041 + 1 = 47321^2 + 1^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=33461.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2239276987 and 2239277005.

It is an unprimeable number.

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 2 ways as a sum of consecutive naturals, for example, 50192 + ... + 83652.

Almost surely, 2^2239277042 is an apocalyptic number.

2239277042 is a deficient number, since it is larger than the sum of its proper divisors (1119738907).

2239277042 is an frugal number, since it uses more digits than its factorization.

2239277042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66924 (or 33463 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 2239277042 is about 47321.0000105661. Note that the first 4 decimals coincide. The cubic root of 2239277042 is about 1308.2857444314.

The spelling of 2239277042 in words is "two billion, two hundred thirty-nine million, two hundred seventy-seven thousand, forty-two".