1222011210 has 64 divisors (see below), whose sum is σ = 3442413312. Its totient is φ = 271766016.

The previous prime is 1222011199. The next prime is 1222011223. The reversal of 1222011210 is 121102221.

It is a super-2 number, since 2×1222011210² = 2986622794731328200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70867 + ... + 86406.

It is an arithmetic number, because the mean of its divisors is an integer number (53787708).

Almost surely, 2^1222011210 is an apocalyptic number.

1222011210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222011210 is an abundant number, since it is smaller than the sum of its proper divisors (2220402102).

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

1222011210 is a wasteful number, since it uses less digits than its factorization.

1222011210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157327.

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

The square root of 1222011210 is about 34957.2769248407. The cubic root of 1222011210 is about 1069.1165765530.

Adding to 1222011210 its reverse (121102221), we get a palindrome (1343113431).

It can be divided in two parts, 1222011 and 210, that added together give a palindrome (1222221).

The spelling of 1222011210 in words is "one billion, two hundred twenty-two million, eleven thousand, two hundred ten".