22652346921 has 8 divisors (see below), whose sum is σ = 30203826240. Its totient is φ = 15101216112.

The previous prime is 22652346883. The next prime is 22652346923. The reversal of 22652346921 is 12964325622.

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

It is not a de Polignac number, because 22652346921 - 2¹⁰ = 22652345897 is a prime.

It is a super-3 number, since 3×22652346921³ (a number of 32 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22652346923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195636 + ... + 289098.

It is an arithmetic number, because the mean of its divisors is an integer number (3775478280).

Almost surely, 2^22652346921 is an apocalyptic number.

It is an amenable number.

22652346921 is a deficient number, since it is larger than the sum of its proper divisors (7551479319).

22652346921 is an equidigital number, since it uses as much as digits as its factorization.

22652346921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174255.

The product of its digits is 311040, while the sum is 42.

The spelling of 22652346921 in words is "twenty-two billion, six hundred fifty-two million, three hundred forty-six thousand, nine hundred twenty-one".