99220569 has 32 divisors (see below), whose sum is σ = 156178176. Its totient is φ = 54846720.

The previous prime is 99220567. The next prime is 99220577. The reversal of 99220569 is 96502299.

It is not a de Polignac number, because 99220569 - 2¹ = 99220567 is a prime.

It is a super-2 number, since 2×99220569² = 19689442625367522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 99220569.

It is not an unprimeable number, because it can be changed into a prime (99220567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 214999 + ... + 215459.

It is an arithmetic number, because the mean of its divisors is an integer number (4880568).

Almost surely, 2^99220569 is an apocalyptic number.

It is an amenable number.

99220569 is a deficient number, since it is larger than the sum of its proper divisors (56957607).

99220569 is a wasteful number, since it uses less digits than its factorization.

99220569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785.

The product of its (nonzero) digits is 87480, while the sum is 42.

The square root of 99220569 is about 9960.9522135185. The cubic root of 99220569 is about 462.9498038434.

The spelling of 99220569 in words is "ninety-nine million, two hundred twenty thousand, five hundred sixty-nine".