203232222202213 has 4 divisors (see below), whose sum is σ = 203445477420588. Its totient is φ = 203018966983840.

The previous prime is 203232222202211. The next prime is 203232222202241. The reversal of 203232222202213 is 312202222232302.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 154083611693764 + 49148610508449 = 12413042^2 + 7010607^2 .

It is a cyclic number.

It is not a de Polignac number, because 203232222202213 - 2¹ = 203232222202211 is a prime.

It is a super-2 number, since 2×203232222202213² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203232222202211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106627607758 + ... + 106627609663.

It is an arithmetic number, because the mean of its divisors is an integer number (50861369355147).

Almost surely, 2^{203232222202213} is an apocalyptic number.

It is an amenable number.

203232222202213 is a deficient number, since it is larger than the sum of its proper divisors (213255218375).

203232222202213 is an equidigital number, since it uses as much as digits as its factorization.

203232222202213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213255218374.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 203232222202213 its reverse (312202222232302), we get a palindrome (515434444434515).

The spelling of 203232222202213 in words is "two hundred three trillion, two hundred thirty-two billion, two hundred twenty-two million, two hundred two thousand, two hundred thirteen".