99222005 has 8 divisors (see below), whose sum is σ = 119671992. Its totient is φ = 78973888.

The previous prime is 99222001. The next prime is 99222031. The reversal of 99222005 is 50022299.

99222005 = 5750² + 5751² + 5752².

It can be written as a sum of positive squares in 4 ways, for example, as 35509681 + 63712324 = 5959^2 + 7982^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99222005 - 2² = 99222001 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99222001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49382 + ... + 51351.

It is an arithmetic number, because the mean of its divisors is an integer number (14958999).

Almost surely, 2^99222005 is an apocalyptic number.

It is an amenable number.

99222005 is a deficient number, since it is larger than the sum of its proper divisors (20449987).

99222005 is a wasteful number, since it uses less digits than its factorization.

99222005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100935.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 99222005 is about 9961.0242947199. The cubic root of 99222005 is about 462.9520372268.

The spelling of 99222005 in words is "ninety-nine million, two hundred twenty-two thousand, five".