2279203081 has 3 divisors (see below), whose sum is σ = 2279250823. Its totient is φ = 2279155340.

The previous prime is 2279203057. The next prime is 2279203097. The reversal of 2279203081 is 1803029722.

The square root of 2279203081 is 47741.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 95481 + 2279107600 = 309^2 + 47740^2 .

It is not a de Polignac number, because 2279203081 - 2¹³ = 2279194889 is a prime.

It is a super-2 number, since 2×2279203081² = 10389533368879785122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2279203001) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 23871 + ... + 71611.

Almost surely, 2^2279203081 is an apocalyptic number.

2279203081 is the 47741-st square number.

2279203081 is the 23871-st centered octagonal number.

It is an amenable number.

2279203081 is a deficient number, since it is larger than the sum of its proper divisors (47742).

2279203081 is an frugal number, since it uses more digits than its factorization.

2279203081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95482 (or 47741 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The cubic root of 2279203081 is about 1316.0155101522.

The spelling of 2279203081 in words is "two billion, two hundred seventy-nine million, two hundred three thousand, eighty-one".