424222500 has 240 divisors, whose sum is σ = 1408299200. Its totient is φ = 98496000.

The previous prime is 424222483. The next prime is 424222543. The reversal of 424222500 is 5222424.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1852386 + ... + 1852614.

Almost surely, 2^424222500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 424222500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (704149600).

424222500 is an abundant number, since it is smaller than the sum of its proper divisors (984076700).

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

424222500 is a wasteful number, since it uses less digits than its factorization.

424222500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288 (or 271 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 424222500 is about 20596.6623509733. The cubic root of 424222500 is about 751.3885388046.

Adding to 424222500 its reverse (5222424), we get a palindrome (429444924).

The spelling of 424222500 in words is "four hundred twenty-four million, two hundred twenty-two thousand, five hundred".