22200012222 has 64 divisors (see below), whose sum is σ = 46399457280. Its totient is φ = 7075452384.

The previous prime is 22200012221. The next prime is 22200012253. The reversal of 22200012222 is 22221000222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22200012221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2813679 + ... + 2821557.

It is an arithmetic number, because the mean of its divisors is an integer number (724991520).

Almost surely, 2^22200012222 is an apocalyptic number.

22200012222 is an abundant number, since it is smaller than the sum of its proper divisors (24199445058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22200012222 is a wasteful number, since it uses less digits than its factorization.

22200012222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8157.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 22200012222 its reverse (22221000222), we get a palindrome (44421012444).

The spelling of 22200012222 in words is "twenty-two billion, two hundred million, twelve thousand, two hundred twenty-two".