2261568236 has 12 divisors (see below), whose sum is σ = 3958077312. Its totient is φ = 1130689008.

The previous prime is 2261568217. The next prime is 2261568301. The reversal of 2261568236 is 6328651622.

It is a happy number.

2261568236 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2261568236² = 10229381772168303392, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2261568193 and 2261568202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83066 + ... + 106878.

It is an arithmetic number, because the mean of its divisors is an integer number (329839776).

Almost surely, 2^2261568236 is an apocalyptic number.

It is an amenable number.

2261568236 is a deficient number, since it is larger than the sum of its proper divisors (1696509076).

2261568236 is a wasteful number, since it uses less digits than its factorization.

2261568236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47560 (or 47558 counting only the distinct ones).

The product of its digits is 207360, while the sum is 41.

The square root of 2261568236 is about 47555.9484817620. The cubic root of 2261568236 is about 1312.6125892954.

The spelling of 2261568236 in words is "two billion, two hundred sixty-one million, five hundred sixty-eight thousand, two hundred thirty-six".