1222011132 has 12 divisors (see below), whose sum is σ = 2851359336. Its totient is φ = 407337040.

The previous prime is 1222011113. The next prime is 1222011169. The reversal of 1222011132 is 2311102221.

1222011132 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1222011132² = 2986622413463842848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50917119 + ... + 50917142.

It is an arithmetic number, because the mean of its divisors is an integer number (237613278).

Almost surely, 2^1222011132 is an apocalyptic number.

1222011132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1222011132 is an abundant number, since it is smaller than the sum of its proper divisors (1629348204).

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

1222011132 is a wasteful number, since it uses less digits than its factorization.

1222011132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101834268 (or 101834266 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1222011132 is about 34957.2758091931. The cubic root of 1222011132 is about 1069.1165538061.

Adding to 1222011132 its reverse (2311102221), we get a palindrome (3533113353).

The spelling of 1222011132 in words is "one billion, two hundred twenty-two million, eleven thousand, one hundred thirty-two".