422332442240 has 32 divisors (see below), whose sum is σ = 1009638496260. Its totient is φ = 168932976640.

The previous prime is 422332442201. The next prime is 422332442249. The reversal of 422332442240 is 42244233224.

It can be written as a sum of positive squares in 2 ways, for example, as 417553761856 + 4778680384 = 646184^2 + 69128^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 422332442197 and 422332442206.

It is not an unprimeable number, because it can be changed into a prime (422332442249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329946581 + ... + 329947860.

Almost surely, 2^422332442240 is an apocalyptic number.

422332442240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

422332442240 is an abundant number, since it is smaller than the sum of its proper divisors (587306054020).

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

422332442240 is an equidigital number, since it uses as much as digits as its factorization.

422332442240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659894460 (or 659894448 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 32.

Adding to 422332442240 its reverse (42244233224), we get a palindrome (464576675464).

The spelling of 422332442240 in words is "four hundred twenty-two billion, three hundred thirty-two million, four hundred forty-two thousand, two hundred forty".