488322221 has 4 divisors (see below), whose sum is σ = 490801212. Its totient is φ = 485843232.

The previous prime is 488322179. The next prime is 488322227. The reversal of 488322221 is 122223884.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 444577225 + 43744996 = 21085^2 + 6614^2 .

It is a cyclic number.

It is not a de Polignac number, because 488322221 - 2⁶ = 488322157 is a prime.

It is a super-3 number, since 3×488322221³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (488322227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1239200 + ... + 1239593.

It is an arithmetic number, because the mean of its divisors is an integer number (122700303).

Almost surely, 2^488322221 is an apocalyptic number.

It is an amenable number.

488322221 is a deficient number, since it is larger than the sum of its proper divisors (2478991).

488322221 is a wasteful number, since it uses less digits than its factorization.

488322221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2478990.

The product of its digits is 12288, while the sum is 32.

The square root of 488322221 is about 22098.0139605350. The cubic root of 488322221 is about 787.4726801978.

The spelling of 488322221 in words is "four hundred eighty-eight million, three hundred twenty-two thousand, two hundred twenty-one".