2228330993 has 16 divisors (see below), whose sum is σ = 2655075456. Its totient is φ = 1830366720.

The previous prime is 2228330977. The next prime is 2228330999. The reversal of 2228330993 is 3990338222.

It is not a de Polignac number, because 2228330993 - 2⁴ = 2228330977 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2228330993.

It is not an unprimeable number, because it can be changed into a prime (2228330999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53888 + ... + 85793.

It is an arithmetic number, because the mean of its divisors is an integer number (165942216).

Almost surely, 2^2228330993 is an apocalyptic number.

It is an amenable number.

2228330993 is a deficient number, since it is larger than the sum of its proper divisors (426744463).

2228330993 is a wasteful number, since it uses less digits than its factorization.

2228330993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139784.

The product of its (nonzero) digits is 139968, while the sum is 41.

The square root of 2228330993 is about 47205.2009104929. The cubic root of 2228330993 is about 1306.1505378264.

The spelling of 2228330993 in words is "two billion, two hundred twenty-eight million, three hundred thirty thousand, nine hundred ninety-three".