2028322229 has 4 divisors (see below), whose sum is σ = 2116510176. Its totient is φ = 1940134284.

The previous prime is 2028322217. The next prime is 2028322259. The reversal of 2028322229 is 9222238202.

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 not a de Polignac number, because 2028322229 - 2⁴ = 2028322213 is a prime.

It is a super-2 number, since 2×2028322229² = 8228182129311056882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2028322195 and 2028322204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2028322259) 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, 44093939 + ... + 44093984.

It is an arithmetic number, because the mean of its divisors is an integer number (529127544).

Almost surely, 2^2028322229 is an apocalyptic number.

It is an amenable number.

2028322229 is a deficient number, since it is larger than the sum of its proper divisors (88187947).

2028322229 is an equidigital number, since it uses as much as digits as its factorization.

2028322229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88187946.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 2028322229 is about 45036.8985277628. The cubic root of 2028322229 is about 1265.8404906654.

The spelling of 2028322229 in words is "two billion, twenty-eight million, three hundred twenty-two thousand, two hundred twenty-nine".