99602231 has 2 divisors, whose sum is σ = 99602232. Its totient is φ = 99602230.

The previous prime is 99602221. The next prime is 99602263. The reversal of 99602231 is 13220699.

It is an a-pointer prime, because the next prime (99602263) can be obtained adding 99602231 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99602231 is a prime.

It is a super-2 number, since 2×99602231² = 19841208840354722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99602221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49801115 + 49801116.

It is an arithmetic number, because the mean of its divisors is an integer number (49801116).

Almost surely, 2^99602231 is an apocalyptic number.

99602231 is a deficient number, since it is larger than the sum of its proper divisors (1).

99602231 is an equidigital number, since it uses as much as digits as its factorization.

99602231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 99602231 is about 9980.0917330453. The cubic root of 99602231 is about 463.5426388448.

The spelling of 99602231 in words is "ninety-nine million, six hundred two thousand, two hundred thirty-one".