427223552 has 60 divisors (see below), whose sum is σ = 993036330. Its totient is φ = 183085056.

The previous prime is 427223539. The next prime is 427223579. The reversal of 427223552 is 255322724.

It can be written as a sum of positive squares in only one way, i.e., 309197056 + 118026496 = 17584^2 + 10864^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

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 5 ways as a sum of consecutive naturals, for example, 16574 + ... + 33602.

Almost surely, 2^427223552 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 427223552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (496518165).

427223552 is an abundant number, since it is smaller than the sum of its proper divisors (565812778).

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

427223552 is an equidigital number, since it uses as much as digits as its factorization.

427223552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17061 (or 17038 counting only the distinct ones).

The product of its digits is 33600, while the sum is 32.

The square root of 427223552 is about 20669.3868317374. The cubic root of 427223552 is about 753.1562114370.

The spelling of 427223552 in words is "four hundred twenty-seven million, two hundred twenty-three thousand, five hundred fifty-two".