1422425736 has 24 divisors (see below), whose sum is σ = 3852403230. Its totient is φ = 474141888.

The previous prime is 1422425699. The next prime is 1422425737. The reversal of 1422425736 is 6375242241.

1422425736 is a `hidden beast` number, since 1 + 42 + 2 + 42 + 573 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1362052836 + 60372900 = 36906^2 + 7770^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1422425736.

It is not an unprimeable number, because it can be changed into a prime (1422425737) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9877885 + ... + 9878028.

Almost surely, 2^1422425736 is an apocalyptic number.

It is an amenable number.

1422425736 is an abundant number, since it is smaller than the sum of its proper divisors (2429977494).

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

1422425736 is a wasteful number, since it uses less digits than its factorization.

1422425736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19755925 (or 19755918 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 1422425736 is about 37715.0598037442. The cubic root of 1422425736 is about 1124.6305251881.

Adding to 1422425736 its reverse (6375242241), we get a palindrome (7797667977).

The spelling of 1422425736 in words is "one billion, four hundred twenty-two million, four hundred twenty-five thousand, seven hundred thirty-six".