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522228071 is a prime number
BaseRepresentation
bin11111001000001…
…001000101100111
31100101122221020102
4133020021011213
52032142244241
6123453054315
715640602551
oct3710110547
91311587212
10522228071
11248869752
12126a8739b
13842686c1
144d5004d1
1530ca939b
hex1f209167

522228071 has 2 divisors, whose sum is σ = 522228072. Its totient is φ = 522228070.

The previous prime is 522228061. The next prime is 522228073. The reversal of 522228071 is 170822225.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 522228071 - 214 = 522211687 is a prime.

It is a Sophie Germain prime.

Together with 522228073, 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 (522228073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261114035 + 261114036.

It is an arithmetic number, because the mean of its divisors is an integer number (261114036).

Almost surely, 2522228071 is an apocalyptic number.

522228071 is a deficient number, since it is larger than the sum of its proper divisors (1).

522228071 is an equidigital number, since it uses as much as digits as its factorization.

522228071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 522228071 is about 22852.3099707666. The cubic root of 522228071 is about 805.2920360643.

The spelling of 522228071 in words is "five hundred twenty-two million, two hundred twenty-eight thousand, seventy-one".