2219443398 has 48 divisors (see below), whose sum is σ = 5175177696. Its totient is φ = 684875520.

The previous prime is 2219443393. The next prime is 2219443439. The reversal of 2219443398 is 8933449122.

2219443398 is a `hidden beast` number, since 2 + 219 + 4 + 43 + 398 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2219443393) 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, 40786 + ... + 78117.

It is an arithmetic number, because the mean of its divisors is an integer number (107816202).

Almost surely, 2^2219443398 is an apocalyptic number.

2219443398 is an abundant number, since it is smaller than the sum of its proper divisors (2955734298).

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

2219443398 is a wasteful number, since it uses less digits than its factorization.

2219443398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118989 (or 118986 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 2219443398 is about 47110.9689775110. The cubic root of 2219443398 is about 1304.4117170550.

The spelling of 2219443398 in words is "two billion, two hundred nineteen million, four hundred forty-three thousand, three hundred ninety-eight".