2123222210 has 16 divisors (see below), whose sum is σ = 3824260992. Its totient is φ = 848742000.

The previous prime is 2123222197. The next prime is 2123222219. The reversal of 2123222210 is 122223212.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2123222219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51866 + ... + 83285.

It is an arithmetic number, because the mean of its divisors is an integer number (239016312).

Almost surely, 2^2123222210 is an apocalyptic number.

2123222210 is a deficient number, since it is larger than the sum of its proper divisors (1701038782).

2123222210 is a wasteful number, since it uses less digits than its factorization.

2123222210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136729.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2123222210 is about 46078.4354118062. The cubic root of 2123222210 is about 1285.2821699128.

Adding to 2123222210 its reverse (122223212), we get a palindrome (2245445422).

The spelling of 2123222210 in words is "two billion, one hundred twenty-three million, two hundred twenty-two thousand, two hundred ten".