228120190 has 8 divisors (see below), whose sum is σ = 410616360. Its totient is φ = 91248072.

The previous prime is 228120181. The next prime is 228120199. The reversal of 228120190 is 91021822.

It is an interprime number because it is at equal distance from previous prime (228120181) and next prime (228120199).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×228120190² = 104077642171272200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228120199) 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 3 ways as a sum of consecutive naturals, for example, 11406000 + ... + 11406019.

It is an arithmetic number, because the mean of its divisors is an integer number (51327045).

Almost surely, 2^228120190 is an apocalyptic number.

228120190 is a deficient number, since it is larger than the sum of its proper divisors (182496170).

228120190 is a wasteful number, since it uses less digits than its factorization.

228120190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22812026.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 228120190 is about 15103.6482347809. The cubic root of 228120190 is about 611.0188027211.

The spelling of 228120190 in words is "two hundred twenty-eight million, one hundred twenty thousand, one hundred ninety".