99022447 has 2 divisors, whose sum is σ = 99022448. Its totient is φ = 99022446.

The previous prime is 99022369. The next prime is 99022513. The reversal of 99022447 is 74422099.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99022447 - 2²³ = 90633839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99020447) 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 as a sum of consecutive naturals, namely, 49511223 + 49511224.

It is an arithmetic number, because the mean of its divisors is an integer number (49511224).

Almost surely, 2^99022447 is an apocalyptic number.

99022447 is a deficient number, since it is larger than the sum of its proper divisors (1).

99022447 is an equidigital number, since it uses as much as digits as its factorization.

99022447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 99022447 is about 9951.0023113252. The cubic root of 99022447 is about 462.6414616705.

The spelling of 99022447 in words is "ninety-nine million, twenty-two thousand, four hundred forty-seven".