2218424722 has 8 divisors (see below), whose sum is σ = 3398438016. Its totient is φ = 1085612052.

The previous prime is 2218424713. The next prime is 2218424723. The reversal of 2218424722 is 2274248122.

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

It is not an unprimeable number, because it can be changed into a prime (2218424723) 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, 11800038 + ... + 11800225.

It is an arithmetic number, because the mean of its divisors is an integer number (424804752).

Almost surely, 2^2218424722 is an apocalyptic number.

2218424722 is a deficient number, since it is larger than the sum of its proper divisors (1180013294).

2218424722 is a wasteful number, since it uses less digits than its factorization.

2218424722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23600312.

The product of its digits is 28672, while the sum is 34.

The square root of 2218424722 is about 47100.1562842418. The cubic root of 2218424722 is about 1304.2121210278.

The spelling of 2218424722 in words is "two billion, two hundred eighteen million, four hundred twenty-four thousand, seven hundred twenty-two".