2218163146 has 4 divisors (see below), whose sum is σ = 3327244722. Its totient is φ = 1109081572.

The previous prime is 2218163071. The next prime is 2218163153. The reversal of 2218163146 is 6413618122.

2218163146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6413618122 = 2 ⋅3206809061.

It can be written as a sum of positive squares in only one way, i.e., 1314860121 + 903303025 = 36261^2 + 30055^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 554540785 + ... + 554540788.

Almost surely, 2^2218163146 is an apocalyptic number.

2218163146 is a deficient number, since it is larger than the sum of its proper divisors (1109081576).

2218163146 is a wasteful number, since it uses less digits than its factorization.

2218163146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109081575.

The product of its digits is 13824, while the sum is 34.

The square root of 2218163146 is about 47097.3793963104. The cubic root of 2218163146 is about 1304.1608588272.

The spelling of 2218163146 in words is "two billion, two hundred eighteen million, one hundred sixty-three thousand, one hundred forty-six".