3898188222 has 16 divisors (see below), whose sum is σ = 7855892352. Its totient is φ = 1289476760.

The previous prime is 3898188211. The next prime is 3898188227. The reversal of 3898188222 is 2228818983.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3898188227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2478978 + ... + 2480549.

It is an arithmetic number, because the mean of its divisors is an integer number (490993272).

Almost surely, 2^3898188222 is an apocalyptic number.

3898188222 is an abundant number, since it is smaller than the sum of its proper divisors (3957704130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3898188222 is a wasteful number, since it uses less digits than its factorization.

3898188222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4959663.

The product of its digits is 884736, while the sum is 51.

The square root of 3898188222 is about 62435.4724655784. The cubic root of 3898188222 is about 1573.8171311041.

The spelling of 3898188222 in words is "three billion, eight hundred ninety-eight million, one hundred eighty-eight thousand, two hundred twenty-two".