99220319 has 4 divisors (see below), whose sum is σ = 108240360. Its totient is φ = 90200280.

The previous prime is 99220291. The next prime is 99220327. The reversal of 99220319 is 91302299.

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

It is a cyclic number.

It is not a de Polignac number, because 99220319 - 2⁸ = 99220063 is a prime.

It is a super-2 number, since 2×99220319² = 19689343404923522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99220349) 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, 4510004 + ... + 4510025.

It is an arithmetic number, because the mean of its divisors is an integer number (27060090).

Almost surely, 2^99220319 is an apocalyptic number.

99220319 is a deficient number, since it is larger than the sum of its proper divisors (9020041).

99220319 is a wasteful number, since it uses less digits than its factorization.

99220319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9020040.

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 99220319 is about 9960.9396645096. The cubic root of 99220319 is about 462.9494150210.

The spelling of 99220319 in words is "ninety-nine million, two hundred twenty thousand, three hundred nineteen".