2222222210 has 16 divisors (see below), whose sum is σ = 4307692536. Its totient is φ = 820512768.

The previous prime is 2222222137. The next prime is 2222222243. The reversal of 2222222210 is 122222222.

It can be written as a sum of positive squares in 4 ways, for example, as 555214969 + 1667007241 = 23563^2 + 40829^2 .

It is a nialpdrome in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8546879 + ... + 8547138.

Almost surely, 2^2222222210 is an apocalyptic number.

2222222210 is a deficient number, since it is larger than the sum of its proper divisors (2085470326).

2222222210 is a wasteful number, since it uses less digits than its factorization.

2222222210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17094037.

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

The square root of 2222222210 is about 47140.4519494669. The cubic root of 2222222210 is about 1304.9558779972.

Adding to 2222222210 its reverse (122222222), we get a palindrome (2344444432).

The spelling of 2222222210 in words is "two billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred ten".