1232222320 has 40 divisors (see below), whose sum is σ = 3274192224. Its totient is φ = 422476032.

The previous prime is 1232222311. The next prime is 1232222357. The reversal of 1232222320 is 232222321.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1099639 + ... + 1100758.

Almost surely, 2^1232222320 is an apocalyptic number.

1232222320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1232222320 is an abundant number, since it is smaller than the sum of its proper divisors (2041969904).

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

1232222320 is a wasteful number, since it uses less digits than its factorization.

1232222320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2200417 (or 2200411 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1232222320 is about 35103.0243711279. The cubic root of 1232222320 is about 1072.0861620431.

Adding to 1232222320 its reverse (232222321), we get a palindrome (1464444641).

Subtracting from 1232222320 its reverse (232222321), we obtain a palindrome (999999999).

The spelling of 1232222320 in words is "one billion, two hundred thirty-two million, two hundred twenty-two thousand, three hundred twenty".