2261948518 has 8 divisors (see below), whose sum is σ = 3571497720. Its totient is φ = 1071449280.

The previous prime is 2261948509. The next prime is 2261948519. The reversal of 2261948518 is 8158491622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2261948518² = 10232822196164792648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2261948519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29762443 + ... + 29762518.

It is an arithmetic number, because the mean of its divisors is an integer number (446437215).

Almost surely, 2^2261948518 is an apocalyptic number.

2261948518 is a deficient number, since it is larger than the sum of its proper divisors (1309549202).

2261948518 is a wasteful number, since it uses less digits than its factorization.

2261948518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59524982.

The product of its digits is 276480, while the sum is 46.

The square root of 2261948518 is about 47559.9465727202. The cubic root of 2261948518 is about 1312.6861569726.

The spelling of 2261948518 in words is "two billion, two hundred sixty-one million, nine hundred forty-eight thousand, five hundred eighteen".