22203132218 has 16 divisors (see below), whose sum is σ = 33378345000. Its totient is φ = 11077036032.

The previous prime is 22203132199. The next prime is 22203132227. The reversal of 22203132218 is 81223130222.

It can be written as a sum of positive squares in 4 ways, for example, as 21463129009 + 740003209 = 146503^2 + 27203^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4878608 + ... + 4883156.

Almost surely, 2^22203132218 is an apocalyptic number.

22203132218 is a deficient number, since it is larger than the sum of its proper divisors (11175212782).

22203132218 is a wasteful number, since it uses less digits than its factorization.

22203132218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9409.

The product of its (nonzero) digits is 2304, while the sum is 26.

The spelling of 22203132218 in words is "twenty-two billion, two hundred three million, one hundred thirty-two thousand, two hundred eighteen".