222210212072 has 16 divisors (see below), whose sum is σ = 416690326500. Its totient is φ = 111092791680.

The previous prime is 222210212071. The next prime is 222210212101. The reversal of 222210212072 is 270212012222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 172861366756 + 49348845316 = 415766^2 + 222146^2 .

It is not an unprimeable number, because it can be changed into a prime (222210212071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1462379 + ... + 1607162.

Almost surely, 2^222210212072 is an apocalyptic number.

It is an amenable number.

222210212072 is a deficient number, since it is larger than the sum of its proper divisors (194480114428).

222210212072 is a wasteful number, since it uses less digits than its factorization.

222210212072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3078596 (or 3078592 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

Adding to 222210212072 its reverse (270212012222), we get a palindrome (492422224294).

The spelling of 222210212072 in words is "two hundred twenty-two billion, two hundred ten million, two hundred twelve thousand, seventy-two".