8801221 has 8 divisors (see below), whose sum is σ = 10340064. Its totient is φ = 7385520.

The previous prime is 8801213. The next prime is 8801269. The reversal of 8801221 is 1221088.

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 8801221 - 2³ = 8801213 is a prime.

It is a super-2 number, since 2×8801221² = 154922982181682, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8801192 and 8801201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8801521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30631 + ... + 30916.

It is an arithmetic number, because the mean of its divisors is an integer number (1292508).

Almost surely, 2^8801221 is an apocalyptic number.

It is an amenable number.

8801221 is a deficient number, since it is larger than the sum of its proper divisors (1538843).

8801221 is a wasteful number, since it uses less digits than its factorization.

8801221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61571.

The product of its (nonzero) digits is 256, while the sum is 22.

The square root of 8801221 is about 2966.6851872081. The cubic root of 8801221 is about 206.4655712408.

The spelling of 8801221 in words is "eight million, eight hundred one thousand, two hundred twenty-one".