23221325535202 has 8 divisors (see below), whose sum is σ = 34833463742700. Its totient is φ = 11610170954304.

The previous prime is 23221325535193. The next prime is 23221325535223. The reversal of 23221325535202 is 20253552312232.

It can be written as a sum of positive squares in 2 ways, for example, as 22824210045961 + 397115489241 = 4777469^2 + 630171^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×23221325535202² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

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, 245847627 + ... + 245942062.

Almost surely, 2^{23221325535202} is an apocalyptic number.

23221325535202 is a deficient number, since it is larger than the sum of its proper divisors (11612138207498).

23221325535202 is a wasteful number, since it uses less digits than its factorization.

23221325535202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491813300.

The product of its (nonzero) digits is 216000, while the sum is 37.

Adding to 23221325535202 its reverse (20253552312232), we get a palindrome (43474877847434).

The spelling of 23221325535202 in words is "twenty-three trillion, two hundred twenty-one billion, three hundred twenty-five million, five hundred thirty-five thousand, two hundred two".