22555545398 has 8 divisors (see below), whose sum is σ = 34309843920. Its totient is φ = 11118930760.

The previous prime is 22555545391. The next prime is 22555545427. The reversal of 22555545398 is 89354555522.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22555545391) 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, 79420793 + ... + 79421076.

It is an arithmetic number, because the mean of its divisors is an integer number (4288730490).

Almost surely, 2^22555545398 is an apocalyptic number.

22555545398 is a deficient number, since it is larger than the sum of its proper divisors (11754298522).

22555545398 is a wasteful number, since it uses less digits than its factorization.

22555545398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158841942.

The product of its digits is 10800000, while the sum is 53.

The spelling of 22555545398 in words is "twenty-two billion, five hundred fifty-five million, five hundred forty-five thousand, three hundred ninety-eight".