2216202304394 has 8 divisors (see below), whose sum is σ = 3580019107140. Its totient is φ = 1022862602016.

The previous prime is 2216202304391. The next prime is 2216202304399. The reversal of 2216202304394 is 4934032026122.

It can be written as a sum of positive squares in 2 ways, for example, as 2047655107369 + 168547197025 = 1430963^2 + 410545^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2216202304391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42619275059 + ... + 42619275110.

Almost surely, 2^{2216202304394} is an apocalyptic number.

2216202304394 is a deficient number, since it is larger than the sum of its proper divisors (1363816802746).

2216202304394 is a wasteful number, since it uses less digits than its factorization.

2216202304394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85238550184.

The product of its (nonzero) digits is 124416, while the sum is 38.

The spelling of 2216202304394 in words is "two trillion, two hundred sixteen billion, two hundred two million, three hundred four thousand, three hundred ninety-four".