222215533 has 4 divisors (see below), whose sum is σ = 229383808. Its totient is φ = 215047260.

The previous prime is 222215519. The next prime is 222215549. The reversal of 222215533 is 335512222.

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 not a de Polignac number, because 222215533 - 2⁵ = 222215501 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222215498 and 222215507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222215563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3584091 + ... + 3584152.

It is an arithmetic number, because the mean of its divisors is an integer number (57345952).

Almost surely, 2^222215533 is an apocalyptic number.

It is an amenable number.

222215533 is a deficient number, since it is larger than the sum of its proper divisors (7168275).

222215533 is an equidigital number, since it uses as much as digits as its factorization.

222215533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7168274.

The product of its digits is 3600, while the sum is 25.

The square root of 222215533 is about 14906.8954849761. The cubic root of 222215533 is about 605.7007866547.

Adding to 222215533 its reverse (335512222), we get a palindrome (557727755).

The spelling of 222215533 in words is "two hundred twenty-two million, two hundred fifteen thousand, five hundred thirty-three".