222006533 has 4 divisors (see below), whose sum is σ = 253721760. Its totient is φ = 190291308.

The previous prime is 222006503. The next prime is 222006581. The reversal of 222006533 is 335600222.

It is a happy number.

222006533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222006533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222006499 and 222006508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222006503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15857603 + ... + 15857616.

It is an arithmetic number, because the mean of its divisors is an integer number (63430440).

Almost surely, 2^222006533 is an apocalyptic number.

It is an amenable number.

222006533 is a deficient number, since it is larger than the sum of its proper divisors (31715227).

222006533 is an equidigital number, since it uses as much as digits as its factorization.

222006533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31715226.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 222006533 is about 14899.8836572639. The cubic root of 222006533 is about 605.5108341776.

Adding to 222006533 its reverse (335600222), we get a palindrome (557606755).

The spelling of 222006533 in words is "two hundred twenty-two million, six thousand, five hundred thirty-three".