1422534636 has 288 divisors, whose sum is σ = 4358914560. Its totient is φ = 402361344.

The previous prime is 1422534623. The next prime is 1422534637. The reversal of 1422534636 is 6364352241.

1422534636 is a `hidden beast` number, since 14 + 2 + 2 + 5 + 3 + 4 + 636 = 666.

1422534636 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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 1422534636.

It is not an unprimeable number, because it can be changed into a prime (1422534637) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7220890 + ... + 7221086.

It is an arithmetic number, because the mean of its divisors is an integer number (15135120).

Almost surely, 2^1422534636 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 1422534636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2179457280).

1422534636 is an abundant number, since it is smaller than the sum of its proper divisors (2936379924).

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

1422534636 is a wasteful number, since it uses less digits than its factorization.

1422534636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275 (or 261 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 1422534636 is about 37716.5034964802. The cubic root of 1422534636 is about 1124.6592247858.

Adding to 1422534636 its reverse (6364352241), we get a palindrome (7786886877).

The spelling of 1422534636 in words is "one billion, four hundred twenty-two million, five hundred thirty-four thousand, six hundred thirty-six".