1422002320 has 20 divisors (see below), whose sum is σ = 3306155580. Its totient is φ = 568800896.

The previous prime is 1422002299. The next prime is 1422002321. The reversal of 1422002320 is 232002241.

It can be written as a sum of positive squares in 2 ways, for example, as 623600784 + 798401536 = 24972^2 + 28256^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 1422002294 and 1422002303.

It is not an unprimeable number, because it can be changed into a prime (1422002321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8887435 + ... + 8887594.

It is an arithmetic number, because the mean of its divisors is an integer number (165307779).

Almost surely, 2^1422002320 is an apocalyptic number.

1422002320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1422002320 is an abundant number, since it is smaller than the sum of its proper divisors (1884153260).

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

1422002320 is a wasteful number, since it uses less digits than its factorization.

1422002320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17775042 (or 17775036 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1422002320 is about 37709.4460314654. The cubic root of 1422002320 is about 1124.5189238573.

Adding to 1422002320 its reverse (232002241), we get a palindrome (1654004561).

The spelling of 1422002320 in words is "one billion, four hundred twenty-two million, two thousand, three hundred twenty".