1422332320 has 48 divisors (see below), whose sum is σ = 3380444928. Its totient is φ = 565515520.

The previous prime is 1422332311. The next prime is 1422332323. The reversal of 1422332320 is 232332241.

It is a junction number, because it is equal to n+sod(n) for n = 1422332291 and 1422332300.

It is not an unprimeable number, because it can be changed into a prime (1422332323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105 + ... + 53335.

It is an arithmetic number, because the mean of its divisors is an integer number (70425936).

Almost surely, 2^1422332320 is an apocalyptic number.

1422332320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1422332320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1690222464).

1422332320 is an abundant number, since it is smaller than the sum of its proper divisors (1958112608).

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

1422332320 is a wasteful number, since it uses less digits than its factorization.

1422332320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53413 (or 53405 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 1422332320 is about 37713.8213391324. The cubic root of 1422332320 is about 1124.6059050896.

Adding to 1422332320 its reverse (232332241), we get a palindrome (1654664561).

The spelling of 1422332320 in words is "one billion, four hundred twenty-two million, three hundred thirty-two thousand, three hundred twenty".