22198959854 has 8 divisors (see below), whose sum is σ = 33326354880. Its totient is φ = 11090174896.

The previous prime is 22198959751. The next prime is 22198959857. The reversal of 22198959854 is 45895989122.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22198959857) 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, 4649534 + ... + 4654305.

It is an arithmetic number, because the mean of its divisors is an integer number (4165794360).

Almost surely, 2^22198959854 is an apocalyptic number.

22198959854 is a deficient number, since it is larger than the sum of its proper divisors (11127395026).

22198959854 is a wasteful number, since it uses less digits than its factorization.

22198959854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9305034.

The product of its digits is 18662400, while the sum is 62.

The spelling of 22198959854 in words is "twenty-two billion, one hundred ninety-eight million, nine hundred fifty-nine thousand, eight hundred fifty-four".