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70222349 is a prime number
BaseRepresentation
bin1000010111110…
…00001000001101
311220010122221202
410023320020031
5120434103344
610545035245
71511610611
oct413701015
9156118852
1070222349
11367030aa
121b625b25
1311718ab2
14947d341
15627194e
hex42f820d

70222349 has 2 divisors, whose sum is σ = 70222350. Its totient is φ = 70222348.

The previous prime is 70222319. The next prime is 70222351. The reversal of 70222349 is 94322207.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69722500 + 499849 = 8350^2 + 707^2 .

It is a cyclic number.

It is not a de Polignac number, because 70222349 - 28 = 70222093 is a prime.

Together with 70222351, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70222319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35111174 + 35111175.

It is an arithmetic number, because the mean of its divisors is an integer number (35111175).

Almost surely, 270222349 is an apocalyptic number.

It is an amenable number.

70222349 is a deficient number, since it is larger than the sum of its proper divisors (1).

70222349 is an equidigital number, since it uses as much as digits as its factorization.

70222349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 70222349 is about 8379.8776244048. The cubic root of 70222349 is about 412.5644324206.

The spelling of 70222349 in words is "seventy million, two hundred twenty-two thousand, three hundred forty-nine".