99700226 has 8 divisors (see below), whose sum is σ = 149979900. Its totient is φ = 49706928.

The previous prime is 99700217. The next prime is 99700241. The reversal of 99700226 is 62200799.

It is a Cunningham number, because it is equal to 9985²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 99700225 + 1 = 9985^2 + 1^2 .

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

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, 70721 + ... + 72116.

Almost surely, 2^99700226 is an apocalyptic number.

99700226 is a deficient number, since it is larger than the sum of its proper divisors (50279674).

99700226 is a wasteful number, since it uses less digits than its factorization.

99700226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143188.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 99700226 is about 9985.0000500751. Note that the first 4 decimals coincide. The cubic root of 99700226 is about 463.6946099111.

The spelling of 99700226 in words is "ninety-nine million, seven hundred thousand, two hundred twenty-six".