1422404436 has 24 divisors (see below), whose sum is σ = 3326156064. Its totient is φ = 473104480.

The previous prime is 1422404377. The next prime is 1422404471. The reversal of 1422404436 is 6344042241.

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 7 ways as a sum of consecutive naturals, for example, 123030 + ... + 134093.

It is an arithmetic number, because the mean of its divisors is an integer number (138589836).

Almost surely, 2^1422404436 is an apocalyptic number.

It is an amenable number.

1422404436 is an abundant number, since it is smaller than the sum of its proper divisors (1903751628).

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

1422404436 is a wasteful number, since it uses less digits than its factorization.

1422404436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257591 (or 257589 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

The square root of 1422404436 is about 37714.7774221193. Note that the first 3 decimals coincide. The cubic root of 1422404436 is about 1124.6249115969.

Adding to 1422404436 its reverse (6344042241), we get a palindrome (7766446677).

The spelling of 1422404436 in words is "one billion, four hundred twenty-two million, four hundred four thousand, four hundred thirty-six".