227993957 has 4 divisors (see below), whose sum is σ = 228050976. Its totient is φ = 227936940.

The previous prime is 227993903. The next prime is 227993959. The reversal of 227993957 is 759399722.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-227993957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 227993899 and 227993908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227993959) 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, 22019 + ... + 30672.

It is an arithmetic number, because the mean of its divisors is an integer number (57012744).

Almost surely, 2^227993957 is an apocalyptic number.

It is an amenable number.

227993957 is a deficient number, since it is larger than the sum of its proper divisors (57019).

227993957 is an equidigital number, since it uses as much as digits as its factorization.

227993957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57018.

The product of its digits is 2143260, while the sum is 53.

The square root of 227993957 is about 15099.4687654897. The cubic root of 227993957 is about 610.9060771034.

The spelling of 227993957 in words is "two hundred twenty-seven million, nine hundred ninety-three thousand, nine hundred fifty-seven".