1422601344 has 144 divisors (see below), whose sum is σ = 4349671170. Its totient is φ = 446201856.

The previous prime is 1422601343. The next prime is 1422601363. The reversal of 1422601344 is 4431062241.

It is a happy number.

1422601344 is a `hidden beast` number, since 1 + 4 + 22 + 601 + 34 + 4 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 1357185600 + 65415744 = 36840^2 + 8088^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (1422601343) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 330792 + ... + 335064.

Almost surely, 2^1422601344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1422601344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2174835585).

1422601344 is an abundant number, since it is smaller than the sum of its proper divisors (2927069826).

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

1422601344 is a wasteful number, since it uses less digits than its factorization.

1422601344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4327 (or 4295 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 1422601344 is about 37717.3878204735. The cubic root of 1422601344 is about 1124.6768043448.

Adding to 1422601344 its reverse (4431062241), we get a palindrome (5853663585).

The spelling of 1422601344 in words is "one billion, four hundred twenty-two million, six hundred one thousand, three hundred forty-four".