2258344581 has 8 divisors (see below), whose sum is σ = 3022843584. Its totient is φ = 1499704320.

The previous prime is 2258344559. The next prime is 2258344589. The reversal of 2258344581 is 1854438522.

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

It is not a de Polignac number, because 2258344581 - 2⁹ = 2258344069 is a prime.

It is a super-2 number, since 2×2258344581² = 10200240493064131122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2258344589) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1463785 + ... + 1465326.

It is an arithmetic number, because the mean of its divisors is an integer number (377855448).

Almost surely, 2^2258344581 is an apocalyptic number.

It is an amenable number.

2258344581 is a deficient number, since it is larger than the sum of its proper divisors (764499003).

2258344581 is a wasteful number, since it uses less digits than its factorization.

2258344581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2929371.

The product of its digits is 307200, while the sum is 42.

The square root of 2258344581 is about 47522.0431063312. The cubic root of 2258344581 is about 1311.9886237131.

The spelling of 2258344581 in words is "two billion, two hundred fifty-eight million, three hundred forty-four thousand, five hundred eighty-one".