18702226084 has 6 divisors (see below), whose sum is σ = 32728895654. Its totient is φ = 9351113040.

The previous prime is 18702226061. The next prime is 18702226087. The reversal of 18702226084 is 48062220781.

It can be written as a sum of positive squares in only one way, i.e., 10615180900 + 8087045184 = 103030^2 + 89928^2 .

It is not an unprimeable number, because it can be changed into a prime (18702226087) 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, 2337778257 + ... + 2337778264.

Almost surely, 2^18702226084 is an apocalyptic number.

It is an amenable number.

18702226084 is a deficient number, since it is larger than the sum of its proper divisors (14026669570).

18702226084 is a wasteful number, since it uses less digits than its factorization.

18702226084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4675556525 (or 4675556523 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 40.

The spelling of 18702226084 in words is "eighteen billion, seven hundred two million, two hundred twenty-six thousand, eighty-four".