22249177998 has 16 divisors (see below), whose sum is σ = 45583682256. Its totient is φ = 7235504960.

The previous prime is 22249177967. The next prime is 22249178047. The reversal of 22249177998 is 89977194222.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45221661 + ... + 45222152.

It is an arithmetic number, because the mean of its divisors is an integer number (2848980141).

Almost surely, 2^22249177998 is an apocalyptic number.

22249177998 is an abundant number, since it is smaller than the sum of its proper divisors (23334504258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22249177998 is a wasteful number, since it uses less digits than its factorization.

22249177998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90443859.

The product of its digits is 9144576, while the sum is 60.

The spelling of 22249177998 in words is "twenty-two billion, two hundred forty-nine million, one hundred seventy-seven thousand, nine hundred ninety-eight".