2265228831 has 16 divisors (see below), whose sum is σ = 3177417600. Its totient is φ = 1433361888.

The previous prime is 2265228827. The next prime is 2265228859. The reversal of 2265228831 is 1388225622.

It is not a de Polignac number, because 2265228831 - 2² = 2265228827 is a prime.

It is a super-2 number, since 2×2265228831² = 10262523313587253122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2265228831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2265228881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215521 + ... + 225786.

It is an arithmetic number, because the mean of its divisors is an integer number (198588600).

Almost surely, 2^2265228831 is an apocalyptic number.

2265228831 is a deficient number, since it is larger than the sum of its proper divisors (912188769).

2265228831 is a wasteful number, since it uses less digits than its factorization.

2265228831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441398.

The product of its digits is 92160, while the sum is 39.

The square root of 2265228831 is about 47594.4201666540. The cubic root of 2265228831 is about 1313.3204097792.

The spelling of 2265228831 in words is "two billion, two hundred sixty-five million, two hundred twenty-eight thousand, eight hundred thirty-one".