613228881 has 8 divisors (see below), whose sum is σ = 835035264. Its totient is φ = 400120880.

The previous prime is 613228871. The next prime is 613228883. The reversal of 613228881 is 188822316.

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

It is a cyclic number.

It is not a de Polignac number, because 613228881 - 2⁷ = 613228753 is a prime.

It is a super-2 number, since 2×613228881² = 752099320985024322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (613228883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2174430 + ... + 2174711.

It is an arithmetic number, because the mean of its divisors is an integer number (104379408).

Almost surely, 2^613228881 is an apocalyptic number.

It is an amenable number.

613228881 is a deficient number, since it is larger than the sum of its proper divisors (221806383).

613228881 is a wasteful number, since it uses less digits than its factorization.

613228881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4349191.

The product of its digits is 36864, while the sum is 39.

The square root of 613228881 is about 24763.4585831624. The cubic root of 613228881 is about 849.5863643737.

The spelling of 613228881 in words is "six hundred thirteen million, two hundred twenty-eight thousand, eight hundred eighty-one".