99900020222 has 8 divisors (see below), whose sum is σ = 151746866400. Its totient is φ = 49317731424.

The previous prime is 99900020221. The next prime is 99900020237. The reversal of 99900020222 is 22202000999.

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 (99900020221) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 316139147 + ... + 316139462.

It is an arithmetic number, because the mean of its divisors is an integer number (18968358300).

Almost surely, 2^99900020222 is an apocalyptic number.

99900020222 is a deficient number, since it is larger than the sum of its proper divisors (51846846178).

99900020222 is a wasteful number, since it uses less digits than its factorization.

99900020222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632278690.

The product of its (nonzero) digits is 11664, while the sum is 35.

The spelling of 99900020222 in words is "ninety-nine billion, nine hundred million, twenty thousand, two hundred twenty-two".