22222211002 has 8 divisors (see below), whose sum is σ = 34482741300. Its totient is φ = 10727963904.

The previous prime is 22222210999. The next prime is 22222211009. The reversal of 22222211002 is 20011222222.

It can be written as a sum of positive squares in 2 ways, for example, as 22222163041 + 47961 = 149071^2 + 219^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (22222211009) 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, 191570727 + ... + 191570842.

Almost surely, 2^22222211002 is an apocalyptic number.

22222211002 is a deficient number, since it is larger than the sum of its proper divisors (12260530298).

22222211002 is a wasteful number, since it uses less digits than its factorization.

22222211002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383141600.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22222211002 its reverse (20011222222), we get a palindrome (42233433224).

The spelling of 22222211002 in words is "twenty-two billion, two hundred twenty-two million, two hundred eleven thousand, two".