23522201669 has 8 divisors (see below), whose sum is σ = 24426382848. Its totient is φ = 22627108080.

The previous prime is 23522201663. The next prime is 23522201671. The reversal of 23522201669 is 96610222532.

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

It is a cyclic number.

It is not a de Polignac number, because 23522201669 - 2²⁰ = 23521153093 is a prime.

It is a super-2 number, since 2×23522201669² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23522201663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2266622 + ... + 2276975.

It is an arithmetic number, because the mean of its divisors is an integer number (3053297856).

Almost surely, 2^23522201669 is an apocalyptic number.

It is an amenable number.

23522201669 is a deficient number, since it is larger than the sum of its proper divisors (904181179).

23522201669 is a wasteful number, since it uses less digits than its factorization.

23522201669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4543795.

The product of its (nonzero) digits is 77760, while the sum is 38.

The spelling of 23522201669 in words is "twenty-three billion, five hundred twenty-two million, two hundred one thousand, six hundred sixty-nine".