2222221210 has 16 divisors (see below), whose sum is σ = 4363634592. Its totient is φ = 808080400.

The previous prime is 2222221201. The next prime is 2222221219. The reversal of 2222221210 is 121222222.

It is an interprime number because it is at equal distance from previous prime (2222221201) and next prime (2222221219).

It is not an unprimeable number, because it can be changed into a prime (2222221219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10100896 + ... + 10101115.

It is an arithmetic number, because the mean of its divisors is an integer number (272727162).

Almost surely, 2^2222221210 is an apocalyptic number.

2222221210 is a deficient number, since it is larger than the sum of its proper divisors (2141413382).

2222221210 is a wasteful number, since it uses less digits than its factorization.

2222221210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20202029.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2222221210 is about 47140.4413428640. The cubic root of 2222221210 is about 1304.9556822538.

Adding to 2222221210 its reverse (121222222), we get a palindrome (2343443432).

It can be divided in two parts, 22222212 and 10, that added together give a palindrome (22222222).

The spelling of 2222221210 in words is "two billion, two hundred twenty-two million, two hundred twenty-one thousand, two hundred ten".