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22252312349 is a prime number
BaseRepresentation
bin10100101110010101…
…110101011100011101
32010102210122120221122
4110232111311130131
5331033042443344
614120024140325
71415301351131
oct245625653435
963383576848
1022252312349
119489939693
1243903076a5
1321381c4037
14111149d3c1
158a386caee
hex52e57571d

22252312349 has 2 divisors, whose sum is σ = 22252312350. Its totient is φ = 22252312348.

The previous prime is 22252312283. The next prime is 22252312351. The reversal of 22252312349 is 94321325222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20491922500 + 1760389849 = 143150^2 + 41957^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22252312349 is a prime.

Together with 22252312351, 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 (22252317349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11126156174 + 11126156175.

It is an arithmetic number, because the mean of its divisors is an integer number (11126156175).

Almost surely, 222252312349 is an apocalyptic number.

It is an amenable number.

22252312349 is a deficient number, since it is larger than the sum of its proper divisors (1).

22252312349 is an equidigital number, since it uses as much as digits as its factorization.

22252312349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 35.

The spelling of 22252312349 in words is "twenty-two billion, two hundred fifty-two million, three hundred twelve thousand, three hundred forty-nine".