222230302220072 has 8 divisors (see below), whose sum is σ = 416681816662650. Its totient is φ = 111115151110032.

The previous prime is 222230302220071. The next prime is 222230302220077. The reversal of 222230302220072 is 270022203032222.

It can be written as a sum of positive squares in only one way, i.e., 200814010024996 + 21416292195076 = 14170886^2 + 4627774^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (222230302220071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13889393888747 + ... + 13889393888762.

Almost surely, 2^{222230302220072} is an apocalyptic number.

It is an amenable number.

222230302220072 is a deficient number, since it is larger than the sum of its proper divisors (194451514442578).

222230302220072 is a wasteful number, since it uses less digits than its factorization.

222230302220072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27778787777515 (or 27778787777511 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 29.

Adding to 222230302220072 its reverse (270022203032222), we get a palindrome (492252505252294).

The spelling of 222230302220072 in words is "two hundred twenty-two trillion, two hundred thirty billion, three hundred two million, two hundred twenty thousand, seventy-two".