222813556 has 48 divisors (see below), whose sum is σ = 459648000. Its totient is φ = 92510208.

The previous prime is 222813553. The next prime is 222813599. The reversal of 222813556 is 655318222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222813553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 464925 + ... + 465403.

It is an arithmetic number, because the mean of its divisors is an integer number (9576000).

Almost surely, 2^222813556 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 222813556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229824000).

222813556 is an abundant number, since it is smaller than the sum of its proper divisors (236834444).

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

222813556 is a wasteful number, since it uses less digits than its factorization.

222813556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976 (or 974 counting only the distinct ones).

The product of its digits is 28800, while the sum is 34.

The square root of 222813556 is about 14926.9406108553. The cubic root of 222813556 is about 606.2436508210.

The spelling of 222813556 in words is "two hundred twenty-two million, eight hundred thirteen thousand, five hundred fifty-six".