222783552 has 42 divisors (see below), whose sum is σ = 638570478. Its totient is φ = 74260992.

The previous prime is 222783551. The next prime is 222783581. The reversal of 222783552 is 255387222.

It is a happy number.

222783552 is a `hidden beast` number, since 2 + 2 + 27 + 83 + 552 = 666.

222783552 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 215032896 + 7750656 = 14664^2 + 2784^2 .

It is a super-2 number, since 2×222783552² = 99265022083473408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (222783551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 192813 + ... + 193964.

It is an arithmetic number, because the mean of its divisors is an integer number (15204059).

Almost surely, 2^222783552 is an apocalyptic number.

It is an amenable number.

222783552 is an abundant number, since it is smaller than the sum of its proper divisors (415786926).

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

222783552 is a wasteful number, since it uses less digits than its factorization.

222783552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386795 (or 386782 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 222783552 is about 14925.9355485678. The cubic root of 222783552 is about 606.2164374093.

The spelling of 222783552 in words is "two hundred twenty-two million, seven hundred eighty-three thousand, five hundred fifty-two".