422400064 has 14 divisors (see below), whose sum is σ = 838200254. Its totient is φ = 211200000.

The previous prime is 422400059. The next prime is 422400091. The reversal of 422400064 is 460004224.

It can be written as a sum of positive squares in only one way, i.e., 345662464 + 76737600 = 18592^2 + 8760^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3299937 + ... + 3300064.

Almost surely, 2^422400064 is an apocalyptic number.

It is an amenable number.

422400064 is a deficient number, since it is larger than the sum of its proper divisors (415800190).

422400064 is an equidigital number, since it uses as much as digits as its factorization.

422400064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6600013 (or 6600003 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 422400064 is about 20552.3736828620. The cubic root of 422400064 is about 750.3110200413.

Adding to 422400064 its reverse (460004224), we get a palindrome (882404288).

The spelling of 422400064 in words is "four hundred twenty-two million, four hundred thousand, sixty-four".