2289142836 has 24 divisors (see below), whose sum is σ = 5934815040. Its totient is φ = 763047576.

The previous prime is 2289142771. The next prime is 2289142859. The reversal of 2289142836 is 6382419822.

It is a super-2 number, since 2×2289142836² = 10480349847220245792, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2289142791 and 2289142800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10597776 + ... + 10597991.

It is an arithmetic number, because the mean of its divisors is an integer number (247283960).

Almost surely, 2^2289142836 is an apocalyptic number.

It is an amenable number.

2289142836 is an abundant number, since it is smaller than the sum of its proper divisors (3645672204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2289142836 is a wasteful number, since it uses less digits than its factorization.

2289142836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21195780 (or 21195772 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 2289142836 is about 47844.9875744576. The cubic root of 2289142836 is about 1317.9258126725.

The spelling of 2289142836 in words is "two billion, two hundred eighty-nine million, one hundred forty-two thousand, eight hundred thirty-six".