422422000 has 320 divisors, whose sum is σ = 1377911808. Its totient is φ = 120960000.

The previous prime is 422421977. The next prime is 422422037. The reversal of 422422000 is 224224.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2001895 + ... + 2002105.

Almost surely, 2^422422000 is an apocalyptic number.

422422000 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 422422000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (688955904).

422422000 is an abundant number, since it is smaller than the sum of its proper divisors (955489808).

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

422422000 is a wasteful number, since it uses less digits than its factorization.

422422000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265 (or 249 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 422422000 is about 20552.9073369195. The cubic root of 422422000 is about 750.3240081529.

Adding to 422422000 its reverse (224224), we get a palindrome (422646224).

The spelling of 422422000 in words is "four hundred twenty-two million, four hundred twenty-two thousand".