422127520 has 24 divisors (see below), whose sum is σ = 997276644. Its totient is φ = 168850944.

The previous prime is 422127491. The next prime is 422127521. The reversal of 422127520 is 25721224.

It can be written as a sum of positive squares in 2 ways, for example, as 366952336 + 55175184 = 19156^2 + 7428^2 .

It is not an unprimeable number, because it can be changed into a prime (422127521) 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, 1318989 + ... + 1319308.

Almost surely, 2^422127520 is an apocalyptic number.

422127520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

422127520 is an abundant number, since it is smaller than the sum of its proper divisors (575149124).

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

422127520 is a wasteful number, since it uses less digits than its factorization.

422127520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2638312 (or 2638304 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 422127520 is about 20545.7421379711. The cubic root of 422127520 is about 750.1496116346.

Adding to 422127520 its reverse (25721224), we get a palindrome (447848744).

The spelling of 422127520 in words is "four hundred twenty-two million, one hundred twenty-seven thousand, five hundred twenty".