2218948382 has 8 divisors (see below), whose sum is σ = 3803911536. Its totient is φ = 950977872.

The previous prime is 2218948367. The next prime is 2218948387. The reversal of 2218948382 is 2838498122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2218948387) 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, 79248143 + ... + 79248170.

It is an arithmetic number, because the mean of its divisors is an integer number (475488942).

Almost surely, 2^2218948382 is an apocalyptic number.

2218948382 is a deficient number, since it is larger than the sum of its proper divisors (1584963154).

2218948382 is a wasteful number, since it uses less digits than its factorization.

2218948382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158496322.

The product of its digits is 442368, while the sum is 47.

The square root of 2218948382 is about 47105.7149611382. The cubic root of 2218948382 is about 1304.3147328769.

The spelling of 2218948382 in words is "two billion, two hundred eighteen million, nine hundred forty-eight thousand, three hundred eighty-two".