222004784 has 10 divisors (see below), whose sum is σ = 430134300. Its totient is φ = 111002384.

The previous prime is 222004781. The next prime is 222004793. The reversal of 222004784 is 487400222.

It is a super-2 number, since 2×222004784² = 98572248237773312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (222004781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6937634 + ... + 6937665.

It is an arithmetic number, because the mean of its divisors is an integer number (43013430).

Almost surely, 2^222004784 is an apocalyptic number.

It is an amenable number.

222004784 is a deficient number, since it is larger than the sum of its proper divisors (208129516).

222004784 is a wasteful number, since it uses less digits than its factorization.

222004784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13875307 (or 13875301 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 29.

The square root of 222004784 is about 14899.8249654149. The cubic root of 222004784 is about 605.5092440724.

The spelling of 222004784 in words is "two hundred twenty-two million, four thousand, seven hundred eighty-four".