2419278228 has 72 divisors (see below), whose sum is σ = 6485163048. Its totient is φ = 757813248.

The previous prime is 2419278221. The next prime is 2419278229. The reversal of 2419278228 is 8228729142.

It is a happy number.

2419278228 is a `hidden beast` number, since 2 + 419 + 2 + 7 + 8 + 228 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2002383504 + 416894724 = 44748^2 + 20418^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2419278221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 445900 + ... + 451292.

It is an arithmetic number, because the mean of its divisors is an integer number (90071709).

Almost surely, 2^2419278228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2419278228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3242581524).

2419278228 is an abundant number, since it is smaller than the sum of its proper divisors (4065884820).

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

2419278228 is a wasteful number, since it uses less digits than its factorization.

2419278228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6153 (or 6148 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The square root of 2419278228 is about 49186.1589067494. The cubic root of 2419278228 is about 1342.4412000505.

The spelling of 2419278228 in words is "two billion, four hundred nineteen million, two hundred seventy-eight thousand, two hundred twenty-eight".