99215303 has 4 divisors (see below), whose sum is σ = 108234888. Its totient is φ = 90195720.

The previous prime is 99215297. The next prime is 99215309. The reversal of 99215303 is 30351299.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (99215297) and next prime (99215309).

It is a cyclic number.

It is not a de Polignac number, because 99215303 - 2⁴ = 99215287 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 99215303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99215309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4509776 + ... + 4509797.

It is an arithmetic number, because the mean of its divisors is an integer number (27058722).

Almost surely, 2^99215303 is an apocalyptic number.

99215303 is a deficient number, since it is larger than the sum of its proper divisors (9019585).

99215303 is a wasteful number, since it uses less digits than its factorization.

99215303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9019584.

The product of its (nonzero) digits is 7290, while the sum is 32.

The square root of 99215303 is about 9960.6878778526. The cubic root of 99215303 is about 462.9416135497.

The spelling of 99215303 in words is "ninety-nine million, two hundred fifteen thousand, three hundred three".