2228120403 has 4 divisors (see below), whose sum is σ = 2970827208. Its totient is φ = 1485413600.

The previous prime is 2228120393. The next prime is 2228120449. The reversal of 2228120403 is 3040218222.

2228120403 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2228120403 - 2⁴ = 2228120387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2228120203) 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, 371353398 + ... + 371353403.

It is an arithmetic number, because the mean of its divisors is an integer number (742706802).

Almost surely, 2^2228120403 is an apocalyptic number.

2228120403 is a deficient number, since it is larger than the sum of its proper divisors (742706805).

2228120403 is an equidigital number, since it uses as much as digits as its factorization.

2228120403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742706804.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 2228120403 is about 47202.9702773035. The cubic root of 2228120403 is about 1306.1093903027.

Adding to 2228120403 its reverse (3040218222), we get a palindrome (5268338625).

The spelling of 2228120403 in words is "two billion, two hundred twenty-eight million, one hundred twenty thousand, four hundred three".