222775152 has 80 divisors (see below), whose sum is σ = 610556160. Its totient is φ = 69797376.

The previous prime is 222775151. The next prime is 222775153. The reversal of 222775152 is 251577222.

222775152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (222775151) and next prime (222775153).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222775151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124053 + ... + 125835.

It is an arithmetic number, because the mean of its divisors is an integer number (7631952).

Almost surely, 2^222775152 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 222775152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (305278080).

222775152 is an abundant number, since it is smaller than the sum of its proper divisors (387781008).

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

222775152 is a wasteful number, since it uses less digits than its factorization.

222775152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1950 (or 1944 counting only the distinct ones).

The product of its digits is 19600, while the sum is 33.

The square root of 222775152 is about 14925.6541565186. The cubic root of 222775152 is about 606.2088182322.

The spelling of 222775152 in words is "two hundred twenty-two million, seven hundred seventy-five thousand, one hundred fifty-two".