1132212220 has 24 divisors (see below), whose sum is σ = 2378476800. Its totient is φ = 452726592.

The previous prime is 1132212199. The next prime is 1132212241. The reversal of 1132212220 is 222122311.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1132212199) and next prime (1132212241).

It is a super-2 number, since 2×1132212220² = 2563809022234656800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1132212194 and 1132212203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61221 + ... + 77539.

It is an arithmetic number, because the mean of its divisors is an integer number (99103200).

Almost surely, 2^1132212220 is an apocalyptic number.

1132212220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1132212220 is an abundant number, since it is smaller than the sum of its proper divisors (1246264580).

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

1132212220 is a wasteful number, since it uses less digits than its factorization.

1132212220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19797 (or 19795 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1132212220 is about 33648.3613271137. The cubic root of 1132212220 is about 1042.2597007425.

Adding to 1132212220 its reverse (222122311), we get a palindrome (1354334531).

The spelling of 1132212220 in words is "one billion, one hundred thirty-two million, two hundred twelve thousand, two hundred twenty".