2212488218 has 4 divisors (see below), whose sum is σ = 3318732330. Its totient is φ = 1106244108.

The previous prime is 2212488211. The next prime is 2212488251. The reversal of 2212488218 is 8128842122.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1953374809 + 259113409 = 44197^2 + 16097^2 .

It is a super-2 number, since 2×2212488218² = 9790208229577631048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2212488211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 553122053 + ... + 553122056.

Almost surely, 2^2212488218 is an apocalyptic number.

2212488218 is a deficient number, since it is larger than the sum of its proper divisors (1106244112).

2212488218 is a wasteful number, since it uses less digits than its factorization.

2212488218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106244111.

The product of its digits is 32768, while the sum is 38.

The square root of 2212488218 is about 47037.0940641532. The cubic root of 2212488218 is about 1303.0477246649.

The spelling of 2212488218 in words is "two billion, two hundred twelve million, four hundred eighty-eight thousand, two hundred eighteen".