888564222 has 256 divisors, whose sum is σ = 2649292800. Its totient is φ = 214151040.

The previous prime is 888564179. The next prime is 888564277. The reversal of 888564222 is 222465888.

888564222 is a `hidden beast` number, since 8 + 88 + 564 + 2 + 2 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2894193 + ... + 2894499.

It is an arithmetic number, because the mean of its divisors is an integer number (10348800).

Almost surely, 2^888564222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 888564222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1324646400).

888564222 is an abundant number, since it is smaller than the sum of its proper divisors (1760728578).

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

888564222 is a wasteful number, since it uses less digits than its factorization.

888564222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388 (or 382 counting only the distinct ones).

The product of its digits is 491520, while the sum is 45.

The square root of 888564222 is about 29808.7943734731. The cubic root of 888564222 is about 961.3826366127.

The spelling of 888564222 in words is "eight hundred eighty-eight million, five hundred sixty-four thousand, two hundred twenty-two".