227932993 has 2 divisors, whose sum is σ = 227932994. Its totient is φ = 227932992.

The previous prime is 227932931. The next prime is 227933003. The reversal of 227932993 is 399239722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 189145009 + 38787984 = 13753^2 + 6228^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-227932993 is a prime.

It is not a weakly prime, because it can be changed into another prime (227930993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113966496 + 113966497.

It is an arithmetic number, because the mean of its divisors is an integer number (113966497).

Almost surely, 2^227932993 is an apocalyptic number.

It is an amenable number.

227932993 is a deficient number, since it is larger than the sum of its proper divisors (1).

227932993 is an equidigital number, since it uses as much as digits as its factorization.

227932993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 367416, while the sum is 46.

The square root of 227932993 is about 15097.4498840036. The cubic root of 227932993 is about 610.8516215693.

The spelling of 227932993 in words is "two hundred twenty-seven million, nine hundred thirty-two thousand, nine hundred ninety-three".