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99221467 is a prime number
BaseRepresentation
bin1011110100111…
…11111111011011
320220200222021011
411322133333123
5200400041332
613502354351
72313240262
oct572377733
9226628234
1099221467
115100a614
122928b9b7
1317730337
14d26b5d9
158a9de47
hex5e9ffdb

99221467 has 2 divisors, whose sum is σ = 99221468. Its totient is φ = 99221466.

The previous prime is 99221461. The next prime is 99221489. The reversal of 99221467 is 76412299.

It is a weak prime.

It is an emirp because it is prime and its reverse (76412299) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99221467 - 215 = 99188699 is a prime.

It is not a weakly prime, because it can be changed into another prime (99221461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49610733 + 49610734.

It is an arithmetic number, because the mean of its divisors is an integer number (49610734).

Almost surely, 299221467 is an apocalyptic number.

99221467 is a deficient number, since it is larger than the sum of its proper divisors (1).

99221467 is an equidigital number, since it uses as much as digits as its factorization.

99221467 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 40.

The square root of 99221467 is about 9960.9972894284. The cubic root of 99221467 is about 462.9512004882.

The spelling of 99221467 in words is "ninety-nine million, two hundred twenty-one thousand, four hundred sixty-seven".