222009633 has 32 divisors (see below), whose sum is σ = 337478400. Its totient is φ = 144188928.

The previous prime is 222009581. The next prime is 222009649. The reversal of 222009633 is 336900222.

222009633 is a `hidden beast` number, since 2 + 2 + 20 + 0 + 9 + 633 = 666.

222009633 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 222009633 - 2¹⁰ = 222008609 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 222009597 and 222009606.

It is not an unprimeable number, because it can be changed into a prime (222009653) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 238513 + ... + 239441.

It is an arithmetic number, because the mean of its divisors is an integer number (10546200).

Almost surely, 2^222009633 is an apocalyptic number.

It is an amenable number.

222009633 is a deficient number, since it is larger than the sum of its proper divisors (115468767).

222009633 is a wasteful number, since it uses less digits than its factorization.

222009633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158 (or 1152 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 222009633 is about 14899.9876845587. The cubic root of 222009633 is about 605.5136525254.

Adding to 222009633 its reverse (336900222), we get a palindrome (558909855).

The spelling of 222009633 in words is "two hundred twenty-two million, nine thousand, six hundred thirty-three".