22554343021 has 8 divisors (see below), whose sum is σ = 25777430784. Its totient is φ = 19331514960.

The previous prime is 22554343001. The next prime is 22554343051. The reversal of 22554343021 is 12034345522.

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 22554343021 - 2⁹ = 22554342509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22554343001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185676 + ... + 282106.

It is an arithmetic number, because the mean of its divisors is an integer number (3222178848).

Almost surely, 2^22554343021 is an apocalyptic number.

It is an amenable number.

22554343021 is a deficient number, since it is larger than the sum of its proper divisors (3223087763).

22554343021 is an equidigital number, since it uses as much as digits as its factorization.

22554343021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129851.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 22554343021 its reverse (12034345522), we get a palindrome (34588688543).

The spelling of 22554343021 in words is "twenty-two billion, five hundred fifty-four million, three hundred forty-three thousand, twenty-one".