99942205 has 8 divisors (see below), whose sum is σ = 130833504. Its totient is φ = 72685200.

The previous prime is 99942187. The next prime is 99942211. The reversal of 99942205 is 50224999.

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

It is not a de Polignac number, because 99942205 - 2⁷ = 99942077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 908511 + ... + 908620.

It is an arithmetic number, because the mean of its divisors is an integer number (16354188).

Almost surely, 2^99942205 is an apocalyptic number.

It is an amenable number.

99942205 is a deficient number, since it is larger than the sum of its proper divisors (30891299).

99942205 is a wasteful number, since it uses less digits than its factorization.

99942205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1817147.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 99942205 is about 9997.1098323465. The cubic root of 99942205 is about 464.0694459201.

The spelling of 99942205 in words is "ninety-nine million, nine hundred forty-two thousand, two hundred five".