99221354 has 16 divisors (see below), whose sum is σ = 155826720. Its totient is φ = 47320560.

The previous prime is 99221351. The next prime is 99221389. The reversal of 99221354 is 45312299.

It is not an unprimeable number, because it can be changed into a prime (99221351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5492 + ... + 15119.

It is an arithmetic number, because the mean of its divisors is an integer number (9739170).

Almost surely, 2^99221354 is an apocalyptic number.

99221354 is a deficient number, since it is larger than the sum of its proper divisors (56605366).

99221354 is a wasteful number, since it uses less digits than its factorization.

99221354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20725.

The product of its digits is 19440, while the sum is 35.

The square root of 99221354 is about 9960.9916173040. The cubic root of 99221354 is about 462.9510247416.

The spelling of 99221354 in words is "ninety-nine million, two hundred twenty-one thousand, three hundred fifty-four".