99918622 has 8 divisors (see below), whose sum is σ = 158694336. Its totient is φ = 47020512.

The previous prime is 99918619. The next prime is 99918629. The reversal of 99918622 is 22681999.

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 (99918629) 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, 1469358 + ... + 1469425.

It is an arithmetic number, because the mean of its divisors is an integer number (19836792).

Almost surely, 2^99918622 is an apocalyptic number.

99918622 is a deficient number, since it is larger than the sum of its proper divisors (58775714).

99918622 is a wasteful number, since it uses less digits than its factorization.

99918622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2938802.

The product of its digits is 139968, while the sum is 46.

The square root of 99918622 is about 9995.9302718656. The cubic root of 99918622 is about 464.0329414534.

The spelling of 99918622 in words is "ninety-nine million, nine hundred eighteen thousand, six hundred twenty-two".