22652353488421 has 4 divisors (see below), whose sum is σ = 23036291683200. Its totient is φ = 22268415293644.

The previous prime is 22652353488419. The next prime is 22652353488467. The reversal of 22652353488421 is 12488435325622.

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 a cyclic number.

It is not a de Polignac number, because 22652353488421 - 2¹ = 22652353488419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22652353486421) 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, 191969097301 + ... + 191969097418.

It is an arithmetic number, because the mean of its divisors is an integer number (5759072920800).

Almost surely, 2^{22652353488421} is an apocalyptic number.

It is an amenable number.

22652353488421 is a deficient number, since it is larger than the sum of its proper divisors (383938194779).

22652353488421 is an equidigital number, since it uses as much as digits as its factorization.

22652353488421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383938194778.

The product of its digits is 22118400, while the sum is 55.

The spelling of 22652353488421 in words is "twenty-two trillion, six hundred fifty-two billion, three hundred fifty-three million, four hundred eighty-eight thousand, four hundred twenty-one".