2211220210 has 16 divisors (see below), whose sum is σ = 3980825856. Its totient is φ = 884348208.

The previous prime is 2211220199. The next prime is 2211220213. The reversal of 2211220210 is 120221122.

It is a happy number.

It is a super-2 number, since 2×2211220210² = 9778989634224888200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2211220213) 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, 69529 + ... + 96211.

It is an arithmetic number, because the mean of its divisors is an integer number (248801616).

Almost surely, 2^2211220210 is an apocalyptic number.

2211220210 is a deficient number, since it is larger than the sum of its proper divisors (1769605646).

2211220210 is a wasteful number, since it uses less digits than its factorization.

2211220210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34977.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 2211220210 is about 47023.6133235208. The cubic root of 2211220210 is about 1302.7987454577.

Adding to 2211220210 its reverse (120221122), we get a palindrome (2331441332).

The spelling of 2211220210 in words is "two billion, two hundred eleven million, two hundred twenty thousand, two hundred ten".