427221088 has 48 divisors (see below), whose sum is σ = 962750880. Its totient is φ = 182808576.

The previous prime is 427221083. The next prime is 427221089. The reversal of 427221088 is 880122724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427221083) 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 7 ways as a sum of consecutive naturals, for example, 207070 + ... + 209122.

It is an arithmetic number, because the mean of its divisors is an integer number (20057310).

Almost surely, 2^427221088 is an apocalyptic number.

It is an amenable number.

427221088 is an abundant number, since it is smaller than the sum of its proper divisors (535529792).

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

427221088 is a wasteful number, since it uses less digits than its factorization.

427221088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2999 (or 2991 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 34.

The square root of 427221088 is about 20669.3272265935. The cubic root of 427221088 is about 753.1547634984.

The spelling of 427221088 in words is "four hundred twenty-seven million, two hundred twenty-one thousand, eighty-eight".