99238427222 has 8 divisors (see below), whose sum is σ = 162390153672. Its totient is φ = 45108376000.

The previous prime is 99238427207. The next prime is 99238427227. The reversal of 99238427222 is 22272483299.

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 (99238427227) 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, 2255418779 + ... + 2255418822.

It is an arithmetic number, because the mean of its divisors is an integer number (20298769209).

Almost surely, 2^99238427222 is an apocalyptic number.

99238427222 is a deficient number, since it is larger than the sum of its proper divisors (63151726450).

99238427222 is a wasteful number, since it uses less digits than its factorization.

99238427222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4510837614.

The product of its digits is 1741824, while the sum is 50.

The spelling of 99238427222 in words is "ninety-nine billion, two hundred thirty-eight million, four hundred twenty-seven thousand, two hundred twenty-two".