2218447202 has 4 divisors (see below), whose sum is σ = 3327670806. Its totient is φ = 1109223600.

The previous prime is 2218447177. The next prime is 2218447213. The reversal of 2218447202 is 2027448122.

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., 1110822241 + 1107624961 = 33329^2 + 33281^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 554611799 + ... + 554611802.

Almost surely, 2^2218447202 is an apocalyptic number.

2218447202 is a deficient number, since it is larger than the sum of its proper divisors (1109223604).

2218447202 is a wasteful number, since it uses less digits than its factorization.

2218447202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109223603.

The product of its (nonzero) digits is 14336, while the sum is 32.

The square root of 2218447202 is about 47100.3949240343. The cubic root of 2218447202 is about 1304.2165263443.

The spelling of 2218447202 in words is "two billion, two hundred eighteen million, four hundred forty-seven thousand, two hundred two".