2216862346 has 4 divisors (see below), whose sum is σ = 3325293522. Its totient is φ = 1108431172.

The previous prime is 2216862331. The next prime is 2216862397. The reversal of 2216862346 is 6432686122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6432686122 = 2 ⋅3216343061.

It can be written as a sum of positive squares in only one way, i.e., 1629333225 + 587529121 = 40365^2 + 24239^2 .

It is a super-2 number, since 2×2216862346² = 9828957322225247432, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2216862299 and 2216862308.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 554215585 + ... + 554215588.

Almost surely, 2^2216862346 is an apocalyptic number.

2216862346 is a deficient number, since it is larger than the sum of its proper divisors (1108431176).

2216862346 is a wasteful number, since it uses less digits than its factorization.

2216862346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108431175.

The product of its digits is 165888, while the sum is 40.

The square root of 2216862346 is about 47083.5676855525. The cubic root of 2216862346 is about 1303.9058754530.

The spelling of 2216862346 in words is "two billion, two hundred sixteen million, eight hundred sixty-two thousand, three hundred forty-six".