2261071838 has 24 divisors (see below), whose sum is σ = 3498445728. Its totient is φ = 1095938592.

The previous prime is 2261071793. The next prime is 2261071867. The reversal of 2261071838 is 8381701622.

It is a super-2 number, since 2×2261071838² = 10224891713193396488, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 504395 + ... + 508857.

It is an arithmetic number, because the mean of its divisors is an integer number (145768572).

Almost surely, 2^2261071838 is an apocalyptic number.

2261071838 is a deficient number, since it is larger than the sum of its proper divisors (1237373890).

2261071838 is a wasteful number, since it uses less digits than its factorization.

2261071838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4688 (or 4645 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 2261071838 is about 47550.7291006142. The cubic root of 2261071838 is about 1312.5165459199.

The spelling of 2261071838 in words is "two billion, two hundred sixty-one million, seventy-one thousand, eight hundred thirty-eight".