99774424222 has 32 divisors (see below), whose sum is σ = 168183993600. Its totient is φ = 43998609600.

The previous prime is 99774424201. The next prime is 99774424231. The reversal of 99774424222 is 22242447799.

It is a self number, because there is not a number n which added to its sum of digits gives 99774424222.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 147522 + ... + 470437.

It is an arithmetic number, because the mean of its divisors is an integer number (5255749800).

Almost surely, 2^99774424222 is an apocalyptic number.

99774424222 is a deficient number, since it is larger than the sum of its proper divisors (68409569378).

99774424222 is a wasteful number, since it uses less digits than its factorization.

99774424222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618192.

The product of its digits is 4064256, while the sum is 52.

The spelling of 99774424222 in words is "ninety-nine billion, seven hundred seventy-four million, four hundred twenty-four thousand, two hundred twenty-two".