2219445396 has 108 divisors (see below), whose sum is σ = 6578277888. Its totient is φ = 629070624.

The previous prime is 2219445379. The next prime is 2219445401. The reversal of 2219445396 is 6935449122.

2219445396 is a `hidden beast` number, since 2 + 2 + 194 + 453 + 9 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 219075 + ... + 228981.

Almost surely, 2^2219445396 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 2219445396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3289138944).

2219445396 is an abundant number, since it is smaller than the sum of its proper divisors (4358832492).

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

2219445396 is a wasteful number, since it uses less digits than its factorization.

2219445396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10058 (or 10046 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 2219445396 is about 47110.9901827588. The cubic root of 2219445396 is about 1304.4121084765.

The spelling of 2219445396 in words is "two billion, two hundred nineteen million, four hundred forty-five thousand, three hundred ninety-six".