222826528 has 36 divisors (see below), whose sum is σ = 463017870. Its totient is φ = 105543936.

The previous prime is 222826511. The next prime is 222826529. The reversal of 222826528 is 825628222.

It can be written as a sum of positive squares in only one way, i.e., 172869904 + 49956624 = 13148^2 + 7068^2 .

It is not an unprimeable number, because it can be changed into a prime (222826529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1908 + ... + 21196.

Almost surely, 2^222826528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222826528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231508935).

222826528 is an abundant number, since it is smaller than the sum of its proper divisors (240191342).

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

222826528 is a wasteful number, since it uses less digits than its factorization.

222826528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19337 (or 19310 counting only the distinct ones).

The product of its digits is 61440, while the sum is 37.

The square root of 222826528 is about 14927.3751208978. The cubic root of 222826528 is about 606.2554155750.

The spelling of 222826528 in words is "two hundred twenty-two million, eight hundred twenty-six thousand, five hundred twenty-eight".