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34222161557 is a prime number
BaseRepresentation
bin11111110111110011…
…001011111010010101
310021100000000221012002
4133313303023322111
51030041333132212
623415455405045
72321025400523
oct376763137225
9107300027162
1034222161557
1113571577551
126770b23785
1332c503004c
1419290ad313
15d54634ac2
hex7f7ccbe95

34222161557 has 2 divisors, whose sum is σ = 34222161558. Its totient is φ = 34222161556.

The previous prime is 34222161551. The next prime is 34222161641. The reversal of 34222161557 is 75516122243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31339974961 + 2882186596 = 177031^2 + 53686^2 .

It is an emirp because it is prime and its reverse (75516122243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34222161557 - 224 = 34205384341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 34222161557.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34222161551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17111080778 + 17111080779.

It is an arithmetic number, because the mean of its divisors is an integer number (17111080779).

Almost surely, 234222161557 is an apocalyptic number.

It is an amenable number.

34222161557 is a deficient number, since it is larger than the sum of its proper divisors (1).

34222161557 is an equidigital number, since it uses as much as digits as its factorization.

34222161557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 100800, while the sum is 38.

The spelling of 34222161557 in words is "thirty-four billion, two hundred twenty-two million, one hundred sixty-one thousand, five hundred fifty-seven".