1422063664 has 80 divisors (see below), whose sum is σ = 3391886080. Its totient is φ = 563915520.

The previous prime is 1422063649. The next prime is 1422063667. The reversal of 1422063664 is 4663602241.

It is not an unprimeable number, because it can be changed into a prime (1422063667) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 83734 + ... + 99274.

It is an arithmetic number, because the mean of its divisors is an integer number (42398576).

Almost surely, 2^1422063664 is an apocalyptic number.

1422063664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1422063664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1695943040).

1422063664 is an abundant number, since it is smaller than the sum of its proper divisors (1969822416).

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

1422063664 is a wasteful number, since it uses less digits than its factorization.

1422063664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15618 (or 15612 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 1422063664 is about 37710.2593997973. The cubic root of 1422063664 is about 1124.5350938958.

The spelling of 1422063664 in words is "one billion, four hundred twenty-two million, sixty-three thousand, six hundred sixty-four".