2261124578 has 8 divisors (see below), whose sum is σ = 3393954000. Its totient is φ = 1129806580.

The previous prime is 2261124571. The next prime is 2261124589. The reversal of 2261124578 is 8754211622.

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

It is a super-2 number, since 2×2261124578² = 10225368714471356168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2261124571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 374108 + ... + 380103.

It is an arithmetic number, because the mean of its divisors is an integer number (424244250).

Almost surely, 2^2261124578 is an apocalyptic number.

2261124578 is a deficient number, since it is larger than the sum of its proper divisors (1132829422).

2261124578 is a wasteful number, since it uses less digits than its factorization.

2261124578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755712.

The product of its digits is 53760, while the sum is 38.

The square root of 2261124578 is about 47551.2836630096. The cubic root of 2261124578 is about 1312.5267507533.

The spelling of 2261124578 in words is "two billion, two hundred sixty-one million, one hundred twenty-four thousand, five hundred seventy-eight".