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22882813 is a prime number
BaseRepresentation
bin101011101001…
…0100111111101
31121001120022121
41113102213331
521324222223
62134242541
7365333512
oct127224775
947046277
1022882813
1111a0a218
1277b6451
134982635
143079309
15202015d
hex15d29fd

22882813 has 2 divisors, whose sum is σ = 22882814. Its totient is φ = 22882812.

The previous prime is 22882807. The next prime is 22882877. The reversal of 22882813 is 31828822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21187609 + 1695204 = 4603^2 + 1302^2 .

It is a cyclic number.

It is not a de Polignac number, because 22882813 - 25 = 22882781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22882313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11441406 + 11441407.

It is an arithmetic number, because the mean of its divisors is an integer number (11441407).

Almost surely, 222882813 is an apocalyptic number.

It is an amenable number.

22882813 is a deficient number, since it is larger than the sum of its proper divisors (1).

22882813 is an equidigital number, since it uses as much as digits as its factorization.

22882813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12288, while the sum is 34.

The square root of 22882813 is about 4783.5983318000. The cubic root of 22882813 is about 283.9028837087.

The spelling of 22882813 in words is "twenty-two million, eight hundred eighty-two thousand, eight hundred thirteen".