2451228189 has 8 divisors (see below), whose sum is σ = 3269051232. Its totient is φ = 1633778640.

The previous prime is 2451228179. The next prime is 2451228223. The reversal of 2451228189 is 9818221542.

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

It is not a de Polignac number, because 2451228189 - 2¹⁵ = 2451195421 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 2451228189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2451228179) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77682 + ... + 104579.

It is an arithmetic number, because the mean of its divisors is an integer number (408631404).

Almost surely, 2^2451228189 is an apocalyptic number.

It is an amenable number.

2451228189 is a deficient number, since it is larger than the sum of its proper divisors (817823043).

2451228189 is a wasteful number, since it uses less digits than its factorization.

2451228189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186747.

The product of its digits is 92160, while the sum is 42.

The square root of 2451228189 is about 49509.8797110233. The cubic root of 2451228189 is about 1348.3249804578.

The spelling of 2451228189 in words is "two billion, four hundred fifty-one million, two hundred twenty-eight thousand, one hundred eighty-nine".