99022220212 has 12 divisors (see below), whose sum is σ = 173291307840. Its totient is φ = 49510417976.

The previous prime is 99022220189. The next prime is 99022220281. The reversal of 99022220212 is 21202222099.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281589 + ... + 526627.

It is an arithmetic number, because the mean of its divisors is an integer number (14440942320).

Almost surely, 2^99022220212 is an apocalyptic number.

It is an amenable number.

99022220212 is a deficient number, since it is larger than the sum of its proper divisors (74269087628).

99022220212 is a wasteful number, since it uses less digits than its factorization.

99022220212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346070 (or 346068 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 99022220212 in words is "ninety-nine billion, twenty-two million, two hundred twenty thousand, two hundred twelve".