422332400440 has 64 divisors (see below), whose sum is σ = 993733738560. Its totient is φ = 161234304000.

The previous prime is 422332400429. The next prime is 422332400471. The reversal of 422332400440 is 44004233224.

It is a happy number.

It is a super-2 number, since 2×422332400440² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 422332400399 and 422332400408.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 81811 + ... + 922690.

It is an arithmetic number, because the mean of its divisors is an integer number (15527089665).

Almost surely, 2^422332400440 is an apocalyptic number.

422332400440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

422332400440 is an abundant number, since it is smaller than the sum of its proper divisors (571401338120).

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

422332400440 is a wasteful number, since it uses less digits than its factorization.

422332400440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004992 (or 1004988 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 422332400440 its reverse (44004233224), we get a palindrome (466336633664).

The spelling of 422332400440 in words is "four hundred twenty-two billion, three hundred thirty-two million, four hundred thousand, four hundred forty".