422240500 has 48 divisors (see below), whose sum is σ = 1006020288. Its totient is φ = 153540000.

The previous prime is 422240459. The next prime is 422240501. The reversal of 422240500 is 5042224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422240501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32886 + ... + 43885.

It is an arithmetic number, because the mean of its divisors is an integer number (20958756).

Almost surely, 2^422240500 is an apocalyptic number.

It is an amenable number.

422240500 is an abundant number, since it is smaller than the sum of its proper divisors (583779788).

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

422240500 is a wasteful number, since it uses less digits than its factorization.

422240500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76801 (or 76789 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 422240500 is about 20548.4914288130. The cubic root of 422240500 is about 750.2165300729.

Adding to 422240500 its reverse (5042224), we get a palindrome (427282724).

It can be divided in two parts, 422240 and 500, that added together give a triangular number (422740 = T₉₁₉).

The spelling of 422240500 in words is "four hundred twenty-two million, two hundred forty thousand, five hundred".