422318448 has 120 divisors (see below), whose sum is σ = 1235598000. Its totient is φ = 139828032.

The previous prime is 422318447. The next prime is 422318467. The reversal of 422318448 is 844813224.

It is a super-2 number, since 2×422318448² = 356705743042257408, which contains 22 as substring.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422318443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2834278 + ... + 2834426.

It is an arithmetic number, because the mean of its divisors is an integer number (10296650).

Almost surely, 2^422318448 is an apocalyptic number.

422318448 is a gapful number since it is divisible by the number (48) 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 422318448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (617799000).

422318448 is an abundant number, since it is smaller than the sum of its proper divisors (813279552).

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

422318448 is an frugal number, since it uses more digits than its factorization.

422318448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190 (or 154 counting only the distinct ones).

The product of its digits is 49152, while the sum is 36.

The square root of 422318448 is about 20550.3880255337. The cubic root of 422318448 is about 750.2626919798.

The spelling of 422318448 in words is "four hundred twenty-two million, three hundred eighteen thousand, four hundred forty-eight".