422450400 has 72 divisors (see below), whose sum is σ = 1375083864. Its totient is φ = 112652800.

The previous prime is 422450383. The next prime is 422450401. The reversal of 422450400 is 4054224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422450401) 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, 85611 + ... + 90410.

It is an arithmetic number, because the mean of its divisors is an integer number (19098387).

Almost surely, 2^422450400 is an apocalyptic number.

422450400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

422450400 is an abundant number, since it is smaller than the sum of its proper divisors (952633464).

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

422450400 is a wasteful number, since it uses less digits than its factorization.

422450400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176044 (or 176031 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 422450400 is about 20553.5982251284. The cubic root of 422450400 is about 750.3408228740.

The spelling of 422450400 in words is "four hundred twenty-two million, four hundred fifty thousand, four hundred".