223007533 has 4 divisors (see below), whose sum is σ = 254865760. Its totient is φ = 191149308.

The previous prime is 223007509. The next prime is 223007537. The reversal of 223007533 is 335700322.

It is a happy number.

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 not a de Polignac number, because 223007533 - 2¹⁷ = 222876461 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223007498 and 223007507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223007537) 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, 15929103 + ... + 15929116.

It is an arithmetic number, because the mean of its divisors is an integer number (63716440).

Almost surely, 2^223007533 is an apocalyptic number.

It is an amenable number.

223007533 is a deficient number, since it is larger than the sum of its proper divisors (31858227).

223007533 is an equidigital number, since it uses as much as digits as its factorization.

223007533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31858226.

The product of its (nonzero) digits is 3780, while the sum is 25.

The square root of 223007533 is about 14933.4367444336. The cubic root of 223007533 is about 606.4195276352.

Adding to 223007533 its reverse (335700322), we get a palindrome (558707855).

The spelling of 223007533 in words is "two hundred twenty-three million, seven thousand, five hundred thirty-three".