422808240 has 80 divisors (see below), whose sum is σ = 1338628608. Its totient is φ = 110347008.

The previous prime is 422808229. The next prime is 422808247. The reversal of 422808240 is 42808224.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 422808198 and 422808207.

It is not an unprimeable number, because it can be changed into a prime (422808247) 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, 7462 + ... + 30021.

Almost surely, 2^422808240 is an apocalyptic number.

422808240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

422808240 is an abundant number, since it is smaller than the sum of its proper divisors (915820368).

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

422808240 is a wasteful number, since it uses less digits than its factorization.

422808240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37546 (or 37540 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 30.

The square root of 422808240 is about 20562.3014276126. The cubic root of 422808240 is about 750.5526238203.

The spelling of 422808240 in words is "four hundred twenty-two million, eight hundred eight thousand, two hundred forty".