1222211010 has 32 divisors (see below), whose sum is σ = 3012587712. Its totient is φ = 317113920.

The previous prime is 1222210993. The next prime is 1222211017. The reversal of 1222211010 is 101122221.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1222211017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 549436 + ... + 551655.

It is an arithmetic number, because the mean of its divisors is an integer number (94143366).

Almost surely, 2^1222211010 is an apocalyptic number.

1222211010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222211010 is an abundant number, since it is smaller than the sum of its proper divisors (1790376702).

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

1222211010 is a wasteful number, since it uses less digits than its factorization.

1222211010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101138.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1222211010 is about 34960.1345821208. The cubic root of 1222211010 is about 1069.1748405715.

Adding to 1222211010 its reverse (101122221), we get a palindrome (1323333231).

It can be divided in two parts, 12222 and 11010, that added together give a palindrome (23232).

The spelling of 1222211010 in words is "one billion, two hundred twenty-two million, two hundred eleven thousand, ten".