422463400 has 48 divisors (see below), whose sum is σ = 988329600. Its totient is φ = 167935680.

The previous prime is 422463389. The next prime is 422463409. The reversal of 422463400 is 4364224.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (422463409) 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, 26121 + ... + 39079.

It is an arithmetic number, because the mean of its divisors is an integer number (20590200).

Almost surely, 2^422463400 is an apocalyptic number.

422463400 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 422463400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (494164800).

422463400 is an abundant number, since it is smaller than the sum of its proper divisors (565866200).

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

422463400 is a wasteful number, since it uses less digits than its factorization.

422463400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13138 (or 13129 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 422463400 is about 20553.9144690251. The cubic root of 422463400 is about 750.3485195019.

The spelling of 422463400 in words is "four hundred twenty-two million, four hundred sixty-three thousand, four hundred".