988452221 has 8 divisors (see below), whose sum is σ = 998194560. Its totient is φ = 978722352.

The previous prime is 988452217. The next prime is 988452251. The reversal of 988452221 is 122254889.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 988452221 - 2² = 988452217 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (988452251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271016 + ... + 274638.

It is an arithmetic number, because the mean of its divisors is an integer number (124774320).

Almost surely, 2^988452221 is an apocalyptic number.

It is an amenable number.

988452221 is a deficient number, since it is larger than the sum of its proper divisors (9742339).

988452221 is a wasteful number, since it uses less digits than its factorization.

988452221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6235.

The product of its digits is 92160, while the sum is 41.

The square root of 988452221 is about 31439.6600013423. The cubic root of 988452221 is about 996.1358277391.

The spelling of 988452221 in words is "nine hundred eighty-eight million, four hundred fifty-two thousand, two hundred twenty-one".