2218242002 has 4 divisors (see below), whose sum is σ = 3327363006. Its totient is φ = 1109121000.

The previous prime is 2218241999. The next prime is 2218242007. The reversal of 2218242002 is 2002428122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2002428122 = 2 ⋅1001214061.

It can be written as a sum of positive squares in only one way, i.e., 1222271521 + 995970481 = 34961^2 + 31559^2 .

It is not an unprimeable number, because it can be changed into a prime (2218242007) 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, 554560499 + ... + 554560502.

Almost surely, 2^2218242002 is an apocalyptic number.

2218242002 is a deficient number, since it is larger than the sum of its proper divisors (1109121004).

2218242002 is a wasteful number, since it uses less digits than its factorization.

2218242002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109121003.

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 2218242002 is about 47098.2165479756. The cubic root of 2218242002 is about 1304.1763130091.

The spelling of 2218242002 in words is "two billion, two hundred eighteen million, two hundred forty-two thousand, two".