2218948 has 24 divisors (see below), whose sum is σ = 4112640. Its totient is φ = 1045440.

The previous prime is 2218943. The next prime is 2218967. The reversal of 2218948 is 8498122.

2218948 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2218943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8053 + ... + 8323.

It is an arithmetic number, because the mean of its divisors is an integer number (171360).

2^2218948 is an apocalyptic number.

It is an amenable number.

2218948 is a deficient number, since it is larger than the sum of its proper divisors (1893692).

2218948 is a wasteful number, since it uses less digits than its factorization.

2218948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387 (or 385 counting only the distinct ones).

The product of its digits is 9216, while the sum is 34.

The square root of 2218948 is about 1489.6133726575. The cubic root of 2218948 is about 130.4314658029.

The spelling of 2218948 in words is "two million, two hundred eighteen thousand, nine hundred forty-eight".