424228272 has 80 divisors (see below), whose sum is σ = 1194590208. Its totient is φ = 128943360.

The previous prime is 424228267. The next prime is 424228279. The reversal of 424228272 is 272822424.

It is not an unprimeable number, because it can be changed into a prime (424228279) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 47697 + ... + 55887.

Almost surely, 2^424228272 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 424228272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (597295104).

424228272 is an abundant number, since it is smaller than the sum of its proper divisors (770361936).

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

424228272 is a wasteful number, since it uses less digits than its factorization.

424228272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8298 (or 8292 counting only the distinct ones).

The product of its digits is 28672, while the sum is 33.

The square root of 424228272 is about 20596.8024702865. The cubic root of 424228272 is about 751.3919466036.

The spelling of 424228272 in words is "four hundred twenty-four million, two hundred twenty-eight thousand, two hundred seventy-two".