422241520 has 40 divisors (see below), whose sum is σ = 982571040. Its totient is φ = 168748800.

The previous prime is 422241511. The next prime is 422241587. The reversal of 422241520 is 25142224.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 422241491 and 422241500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164245 + ... + 166795.

It is an arithmetic number, because the mean of its divisors is an integer number (24564276).

Almost surely, 2^422241520 is an apocalyptic number.

422241520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

422241520 is an abundant number, since it is smaller than the sum of its proper divisors (560329520).

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

422241520 is a wasteful number, since it uses less digits than its factorization.

422241520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4633 (or 4627 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 422241520 is about 20548.5162481382. The cubic root of 422241520 is about 750.2171341680.

Adding to 422241520 its reverse (25142224), we get a palindrome (447383744).

The spelling of 422241520 in words is "four hundred twenty-two million, two hundred forty-one thousand, five hundred twenty".