422022323500 has 48 divisors (see below), whose sum is σ = 921977259840. Its totient is φ = 168757555200.

The previous prime is 422022323453. The next prime is 422022323521. The reversal of 422022323500 is 5323220224.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

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 15 ways as a sum of consecutive naturals, for example, 1537729 + ... + 1791271.

It is an arithmetic number, because the mean of its divisors is an integer number (19207859580).

Almost surely, 2^422022323500 is an apocalyptic number.

It is an amenable number.

422022323500 is an abundant number, since it is smaller than the sum of its proper divisors (499954936340).

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

422022323500 is a wasteful number, since it uses less digits than its factorization.

422022323500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256891 (or 256879 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

Adding to 422022323500 its reverse (5323220224), we get a palindrome (427345543724).

The spelling of 422022323500 in words is "four hundred twenty-two billion, twenty-two million, three hundred twenty-three thousand, five hundred".