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73222601 is a prime number
BaseRepresentation
bin1000101110101…
…00100111001001
312002210002112012
410113110213021
5122221110401
611133225305
71546244654
oct427244711
9162702465
1073222601
1138372251
1220632235
13122295aa
149a2089b
1566658bb
hex45d49c9

73222601 has 2 divisors, whose sum is σ = 73222602. Its totient is φ = 73222600.

The previous prime is 73222579. The next prime is 73222609. The reversal of 73222601 is 10622237.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66846976 + 6375625 = 8176^2 + 2525^2 .

It is a cyclic number.

It is not a de Polignac number, because 73222601 - 26 = 73222537 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (73222609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36611300 + 36611301.

It is an arithmetic number, because the mean of its divisors is an integer number (36611301).

Almost surely, 273222601 is an apocalyptic number.

It is an amenable number.

73222601 is a deficient number, since it is larger than the sum of its proper divisors (1).

73222601 is an equidigital number, since it uses as much as digits as its factorization.

73222601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 73222601 is about 8557.0205679313. The cubic root of 73222601 is about 418.3582945517.

Adding to 73222601 its reverse (10622237), we get a palindrome (83844838).

The spelling of 73222601 in words is "seventy-three million, two hundred twenty-two thousand, six hundred one".