2228594993 has 2 divisors, whose sum is σ = 2228594994. Its totient is φ = 2228594992.

The previous prime is 2228594981. The next prime is 2228594999. The reversal of 2228594993 is 3994958222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1791659584 + 436935409 = 42328^2 + 20903^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2228594993 is a prime.

It is not a weakly prime, because it can be changed into another prime (2228594999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1114297496 + 1114297497.

It is an arithmetic number, because the mean of its divisors is an integer number (1114297497).

Almost surely, 2^2228594993 is an apocalyptic number.

It is an amenable number.

2228594993 is a deficient number, since it is larger than the sum of its proper divisors (1).

2228594993 is an equidigital number, since it uses as much as digits as its factorization.

2228594993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2799360, while the sum is 53.

The square root of 2228594993 is about 47207.9971297237. The cubic root of 2228594993 is about 1306.2021175553.

The spelling of 2228594993 in words is "two billion, two hundred twenty-eight million, five hundred ninety-four thousand, nine hundred ninety-three".