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22560378457 is a prime number
BaseRepresentation
bin10101000000101101…
…000000111001011001
32011020021022222012111
4111000231000321121
5332200424102312
614210351112321
71426032024061
oct250055007131
964207288174
1022560378457
119627822281
1244575126a1
132186c87386
1411403723a1
158c09218a7
hex540b40e59

22560378457 has 2 divisors, whose sum is σ = 22560378458. Its totient is φ = 22560378456.

The previous prime is 22560378431. The next prime is 22560378473. The reversal of 22560378457 is 75487306522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12237005641 + 10323372816 = 110621^2 + 101604^2 .

It is a cyclic number.

It is not a de Polignac number, because 22560378457 - 211 = 22560376409 is a prime.

It is a super-2 number, since 2×225603784572 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22560378457.

It is not a weakly prime, because it can be changed into another prime (22560378427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11280189228 + 11280189229.

It is an arithmetic number, because the mean of its divisors is an integer number (11280189229).

Almost surely, 222560378457 is an apocalyptic number.

It is an amenable number.

22560378457 is a deficient number, since it is larger than the sum of its proper divisors (1).

22560378457 is an equidigital number, since it uses as much as digits as its factorization.

22560378457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2822400, while the sum is 49.

The spelling of 22560378457 in words is "twenty-two billion, five hundred sixty million, three hundred seventy-eight thousand, four hundred fifty-seven".