422343600 has 240 divisors, whose sum is σ = 1561709568. Its totient is φ = 95569920.

The previous prime is 422343599. The next prime is 422343611. The reversal of 422343600 is 6343224.

It is a happy number.

It is a Cunningham number, because it is equal to 20551²-1.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1150617 + ... + 1150983.

Almost surely, 2^422343600 is an apocalyptic number.

422343600 is a gapful number since it is divisible by the number (40) 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 422343600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (780854784).

422343600 is an abundant number, since it is smaller than the sum of its proper divisors (1139365968).

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

422343600 is a wasteful number, since it uses less digits than its factorization.

422343600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532 (or 521 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 422343600 is about 20550.9999756703. Note that the first 4 decimals coincide. The cubic root of 422343600 is about 750.2775861375.

Adding to 422343600 its reverse (6343224), we get a palindrome (428686824).

The spelling of 422343600 in words is "four hundred twenty-two million, three hundred forty-three thousand, six hundred".