2218775148 has 18 divisors (see below), whose sum is σ = 5608570604. Its totient is φ = 739591704.

The previous prime is 2218775131. The next prime is 2218775159. The reversal of 2218775148 is 8415778122.

2218775148 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30816286 + ... + 30816357.

Almost surely, 2^2218775148 is an apocalyptic number.

It is an amenable number.

2218775148 is an abundant number, since it is smaller than the sum of its proper divisors (3389795456).

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

2218775148 is a wasteful number, since it uses less digits than its factorization.

2218775148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61632653 (or 61632648 counting only the distinct ones).

The product of its digits is 250880, while the sum is 45.

The square root of 2218775148 is about 47103.8761462366. The cubic root of 2218775148 is about 1304.2807892393.

The spelling of 2218775148 in words is "two billion, two hundred eighteen million, seven hundred seventy-five thousand, one hundred forty-eight".