422333223040 has 128 divisors (see below), whose sum is σ = 1015321806720. Its totient is φ = 167985438720.

The previous prime is 422333223031. The next prime is 422333223061. The reversal of 422333223040 is 40322333224.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90958959 + ... + 90963601.

It is an arithmetic number, because the mean of its divisors is an integer number (7932201615).

Almost surely, 2^422333223040 is an apocalyptic number.

422333223040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422333223040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (507660903360).

422333223040 is an abundant number, since it is smaller than the sum of its proper divisors (592988583680).

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

422333223040 is a wasteful number, since it uses less digits than its factorization.

422333223040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5430 (or 5418 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 422333223040 its reverse (40322333224), we get a palindrome (462655556264).

The spelling of 422333223040 in words is "four hundred twenty-two billion, three hundred thirty-three million, two hundred twenty-three thousand, forty".