1322231112 has 48 divisors (see below), whose sum is σ = 3677834940. Its totient is φ = 428830848.

The previous prime is 1322231089. The next prime is 1322231159. The reversal of 1322231112 is 2111322231.

1322231112 is a `hidden beast` number, since 1 + 322 + 231 + 112 = 666.

1322231112 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1321613316 + 617796 = 36354^2 + 786^2 .

It is a super-2 number, since 2×1322231112² = 3496590227081513088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 245503 + ... + 250830.

Almost surely, 2^1322231112 is an apocalyptic number.

1322231112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1322231112 is an abundant number, since it is smaller than the sum of its proper divisors (2355603828).

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

1322231112 is a wasteful number, since it uses less digits than its factorization.

1322231112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496382 (or 496375 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 1322231112 is about 36362.4959539358. The cubic root of 1322231112 is about 1097.5790039000.

Adding to 1322231112 its reverse (2111322231), we get a palindrome (3433553343).

The spelling of 1322231112 in words is "one billion, three hundred twenty-two million, two hundred thirty-one thousand, one hundred twelve".