422501320 has 16 divisors (see below), whose sum is σ = 950628060. Its totient is φ = 169000512.

The previous prime is 422501293. The next prime is 422501327. The reversal of 422501320 is 23105224.

It can be written as a sum of positive squares in 2 ways, for example, as 409091076 + 13410244 = 20226^2 + 3662^2 .

It is not an unprimeable number, because it can be changed into a prime (422501327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5281227 + ... + 5281306.

Almost surely, 2^422501320 is an apocalyptic number.

422501320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

422501320 is an abundant number, since it is smaller than the sum of its proper divisors (528126740).

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

422501320 is a wasteful number, since it uses less digits than its factorization.

422501320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10562544 (or 10562540 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 422501320 is about 20554.8369003502. The cubic root of 422501320 is about 750.3709690716.

Adding to 422501320 its reverse (23105224), we get a palindrome (445606544).

The spelling of 422501320 in words is "four hundred twenty-two million, five hundred one thousand, three hundred twenty".