1422231320 has 64 divisors (see below), whose sum is σ = 3392928000. Its totient is φ = 535033728.

The previous prime is 1422231319. The next prime is 1422231341. The reversal of 1422231320 is 231322241.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1422231292 and 1422231301.

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 15 ways as a sum of consecutive naturals, for example, 98909 + ... + 112371.

It is an arithmetic number, because the mean of its divisors is an integer number (53014500).

Almost surely, 2^1422231320 is an apocalyptic number.

1422231320 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 1422231320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1696464000).

1422231320 is an abundant number, since it is smaller than the sum of its proper divisors (1970696680).

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

1422231320 is a wasteful number, since it uses less digits than its factorization.

1422231320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13632 (or 13628 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1422231320 is about 37712.4822837214. The cubic root of 1422231320 is about 1124.5792849898.

Adding to 1422231320 its reverse (231322241), we get a palindrome (1653553561).

The spelling of 1422231320 in words is "one billion, four hundred twenty-two million, two hundred thirty-one thousand, three hundred twenty".