888494221 has 8 divisors (see below), whose sum is σ = 895174200. Its totient is φ = 881836032.

The previous prime is 888494197. The next prime is 888494227. The reversal of 888494221 is 122494888.

It can be written as a sum of positive squares in 4 ways, for example, as 8185321 + 880308900 = 2861^2 + 29670^2 .

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 888494221 - 2¹³ = 888486029 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 (888494227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81531 + ... + 91783.

It is an arithmetic number, because the mean of its divisors is an integer number (111896775).

Almost surely, 2^888494221 is an apocalyptic number.

It is an amenable number.

888494221 is a deficient number, since it is larger than the sum of its proper divisors (6679979).

888494221 is a wasteful number, since it uses less digits than its factorization.

888494221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10895.

The product of its digits is 294912, while the sum is 46.

The square root of 888494221 is about 29807.6201834363. The cubic root of 888494221 is about 961.3573900740.

The spelling of 888494221 in words is "eight hundred eighty-eight million, four hundred ninety-four thousand, two hundred twenty-one".