227813993 has 8 divisors (see below), whose sum is σ = 248732640. Its totient is φ = 206930080.

The previous prime is 227813987. The next prime is 227814007. The reversal of 227813993 is 399318722.

It is a happy number.

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 227813993 - 2⁸ = 227813737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (227813983) 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 7 ways as a sum of consecutive naturals, for example, 6146 + ... + 22212.

It is an arithmetic number, because the mean of its divisors is an integer number (31091580).

Almost surely, 2^227813993 is an apocalyptic number.

It is an amenable number.

227813993 is a deficient number, since it is larger than the sum of its proper divisors (20918647).

227813993 is a wasteful number, since it uses less digits than its factorization.

227813993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17367.

The product of its digits is 163296, while the sum is 44.

The square root of 227813993 is about 15093.5083065535. The cubic root of 227813993 is about 610.7452979286.

The spelling of 227813993 in words is "two hundred twenty-seven million, eight hundred thirteen thousand, nine hundred ninety-three".