3028194221 has 12 divisors (see below), whose sum is σ = 3311535060. Its totient is φ = 2767564800.

The previous prime is 3028194187. The next prime is 3028194251. The reversal of 3028194221 is 1224918203.

It can be written as a sum of positive squares in 6 ways, for example, as 45832900 + 2982361321 = 6770^2 + 54611^2 .

It is not a de Polignac number, because 3028194221 - 2¹⁴ = 3028177837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3028194251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71636 + ... + 105773.

It is an arithmetic number, because the mean of its divisors is an integer number (275961255).

Almost surely, 2^3028194221 is an apocalyptic number.

It is an amenable number.

3028194221 is a deficient number, since it is larger than the sum of its proper divisors (283340839).

3028194221 is a wasteful number, since it uses less digits than its factorization.

3028194221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177536 (or 177523 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 3028194221 is about 55029.0307110710. The cubic root of 3028194221 is about 1446.7536124334.

The spelling of 3028194221 in words is "three billion, twenty-eight million, one hundred ninety-four thousand, two hundred twenty-one".