2218548 has 12 divisors (see below), whose sum is σ = 5176640. Its totient is φ = 739512.

The previous prime is 2218547. The next prime is 2218549. The reversal of 2218548 is 8458122.

It is an interprime number because it is at equal distance from previous prime (2218547) and next prime (2218549).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2218547) 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, 92428 + ... + 92451.

2^2218548 is an apocalyptic number.

It is an amenable number.

2218548 is an abundant number, since it is smaller than the sum of its proper divisors (2958092).

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

2218548 is a wasteful number, since it uses less digits than its factorization.

2218548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184886 (or 184884 counting only the distinct ones).

The product of its digits is 5120, while the sum is 30.

The square root of 2218548 is about 1489.4791035795. The cubic root of 2218548 is about 130.4236278963.

The spelling of 2218548 in words is "two million, two hundred eighteen thousand, five hundred forty-eight".