2047221218 has 8 divisors (see below), whose sum is σ = 3509522112. Its totient is φ = 877380516.

The previous prime is 2047221203. The next prime is 2047221229. The reversal of 2047221218 is 8121227402.

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

It is a super-2 number, since 2×2047221218² = 8382229430858807048, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73115030 + ... + 73115057.

It is an arithmetic number, because the mean of its divisors is an integer number (438690264).

Almost surely, 2^2047221218 is an apocalyptic number.

2047221218 is a deficient number, since it is larger than the sum of its proper divisors (1462300894).

2047221218 is a wasteful number, since it uses less digits than its factorization.

2047221218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146230096.

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 2047221218 is about 45246.2287710258. The cubic root of 2047221218 is about 1269.7598524992.

The spelling of 2047221218 in words is "two billion, forty-seven million, two hundred twenty-one thousand, two hundred eighteen".