2219228844 has 48 divisors (see below), whose sum is σ = 5936921088. Its totient is φ = 632032128.

The previous prime is 2219228827. The next prime is 2219228867. The reversal of 2219228844 is 4488229122.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 2219228796 and 2219228805.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15912 + ... + 68495.

It is an arithmetic number, because the mean of its divisors is an integer number (123685856).

Almost surely, 2^2219228844 is an apocalyptic number.

It is an amenable number.

2219228844 is an abundant number, since it is smaller than the sum of its proper divisors (3717692244).

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

2219228844 is a wasteful number, since it uses less digits than its factorization.

2219228844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84734 (or 84732 counting only the distinct ones).

The product of its digits is 147456, while the sum is 42.

The square root of 2219228844 is about 47108.6918094740. The cubic root of 2219228844 is about 1304.3696831273.

The spelling of 2219228844 in words is "two billion, two hundred nineteen million, two hundred twenty-eight thousand, eight hundred forty-four".