2212212210 has 64 divisors (see below), whose sum is σ = 6054072192. Its totient is φ = 512510976.

The previous prime is 2212212181. The next prime is 2212212229. The reversal of 2212212210 is 122122122.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2212212210.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 160204 + ... + 173463.

It is an arithmetic number, because the mean of its divisors is an integer number (94594878).

Almost surely, 2^2212212210 is an apocalyptic number.

2212212210 is an abundant number, since it is smaller than the sum of its proper divisors (3841859982).

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

2212212210 is a wasteful number, since it uses less digits than its factorization.

2212212210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333707.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2212212210 is about 47034.1600328952. The cubic root of 2212212210 is about 1302.9935373250.

Adding to 2212212210 its reverse (122122122), we get a palindrome (2334334332).

It can be divided in two parts, 2 and 212212210, that added together give a palindrome (212212212).

The spelling of 2212212210 in words is "two billion, two hundred twelve million, two hundred twelve thousand, two hundred ten".