422304025520 has 40 divisors (see below), whose sum is σ = 1057384312656. Its totient is φ = 155927639808.

The previous prime is 422304025447. The next prime is 422304025529. The reversal of 422304025520 is 25520403224.

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

It is a super-2 number, since 2×422304025520² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (422304025529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203029742 + ... + 203031821.

Almost surely, 2^422304025520 is an apocalyptic number.

422304025520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

422304025520 is an abundant number, since it is smaller than the sum of its proper divisors (635080287136).

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

422304025520 is a wasteful number, since it uses less digits than its factorization.

422304025520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406061589 (or 406061583 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 29.

Adding to 422304025520 its reverse (25520403224), we get a palindrome (447824428744).

The spelling of 422304025520 in words is "four hundred twenty-two billion, three hundred four million, twenty-five thousand, five hundred twenty".