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22868413 is a prime number
BaseRepresentation
bin101011100111…
…1000110111101
31121000211120021
41113033012331
521323242123
62134052141
7365243521
oct127170675
947024507
1022868413
11119aa417
1277aa051
134978c09
143073d81
15201ac5d
hex15cf1bd

22868413 has 2 divisors, whose sum is σ = 22868414. Its totient is φ = 22868412.

The previous prime is 22868407. The next prime is 22868423. The reversal of 22868413 is 31486822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21362884 + 1505529 = 4622^2 + 1227^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22868413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22868423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11434206 + 11434207.

It is an arithmetic number, because the mean of its divisors is an integer number (11434207).

Almost surely, 222868413 is an apocalyptic number.

It is an amenable number.

22868413 is a deficient number, since it is larger than the sum of its proper divisors (1).

22868413 is an equidigital number, since it uses as much as digits as its factorization.

22868413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18432, while the sum is 34.

The square root of 22868413 is about 4782.0929518360. The cubic root of 22868413 is about 283.8433184885.

The spelling of 22868413 in words is "twenty-two million, eight hundred sixty-eight thousand, four hundred thirteen".