2222222210000 has 100 divisors (see below), whose sum is σ = 5794085777172. Its totient is φ = 820512768000.

The previous prime is 2222222209861. The next prime is 2222222210003. The reversal of 2222222210000 is 122222222.

It can be written as a sum of positive squares in 10 ways, for example, as 2207268833344 + 14953376656 = 1485688^2 + 122284^2 .

It is a tau number, because it is divible by the number of its divisors (100).

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222222210003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8417009 + ... + 8677008.

Almost surely, 2^{2222222210000} is an apocalyptic number.

2222222210000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222222210000 is an abundant number, since it is smaller than the sum of its proper divisors (3571863567172).

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

2222222210000 is a wasteful number, since it uses less digits than its factorization.

2222222210000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17094058 (or 17094037 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 2222222210000 its reverse (122222222), we get a palindrome (2222344432222).

It can be divided in two parts, 2222 and 222210000, that added together give a palindrome (222212222).

The spelling of 2222222210000 in words is "two trillion, two hundred twenty-two billion, two hundred twenty-two million, two hundred ten thousand".