422440800 has 72 divisors (see below), whose sum is σ = 1375052616. Its totient is φ = 112650240.

The previous prime is 422440783. The next prime is 422440807. The reversal of 422440800 is 8044224.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422440807) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85609 + ... + 90408.

It is an arithmetic number, because the mean of its divisors is an integer number (19097953).

Almost surely, 2^422440800 is an apocalyptic number.

422440800 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

422440800 is an abundant number, since it is smaller than the sum of its proper divisors (952611816).

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

422440800 is a wasteful number, since it uses less digits than its factorization.

422440800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176040 (or 176027 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 422440800 is about 20553.3646880505. The cubic root of 422440800 is about 750.3351391090.

The spelling of 422440800 in words is "four hundred twenty-two million, four hundred forty thousand, eight hundred".