422881547172 has 24 divisors (see below), whose sum is σ = 1127684126016. Its totient is φ = 120823299168.

The previous prime is 422881547147. The next prime is 422881547189. The reversal of 422881547172 is 271745188224.

It is a super-2 number, since 2×422881547172² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2517151983 + ... + 2517152150.

It is an arithmetic number, because the mean of its divisors is an integer number (46986838584).

Almost surely, 2^422881547172 is an apocalyptic number.

422881547172 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

422881547172 is an abundant number, since it is smaller than the sum of its proper divisors (704802578844).

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

422881547172 is a wasteful number, since it uses less digits than its factorization.

422881547172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5034304147 (or 5034304145 counting only the distinct ones).

The product of its digits is 2007040, while the sum is 51.

The spelling of 422881547172 in words is "four hundred twenty-two billion, eight hundred eighty-one million, five hundred forty-seven thousand, one hundred seventy-two".