2228646419 has 24 divisors (see below), whose sum is σ = 2365217280. Its totient is φ = 2098027008.

The previous prime is 2228646361. The next prime is 2228646421. The reversal of 2228646419 is 9146468222.

It is a happy number.

It is not a de Polignac number, because 2228646419 - 2¹² = 2228642323 is a prime.

It is a super-2 number, since 2×2228646419² = 9933729721843047122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2228646419.

It is not an unprimeable number, because it can be changed into a prime (2228646919) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17548334 + ... + 17548460.

It is an arithmetic number, because the mean of its divisors is an integer number (98550720).

Almost surely, 2^2228646419 is an apocalyptic number.

2228646419 is a deficient number, since it is larger than the sum of its proper divisors (136570861).

2228646419 is an equidigital number, since it uses as much as digits as its factorization.

2228646419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399 (or 326 counting only the distinct ones).

The product of its digits is 331776, while the sum is 44.

The square root of 2228646419 is about 47208.5418012461. The cubic root of 2228646419 is about 1306.2121645780.

The spelling of 2228646419 in words is "two billion, two hundred twenty-eight million, six hundred forty-six thousand, four hundred nineteen".