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22964789 is a prime number
BaseRepresentation
bin101011110011…
…0101000110101
31121012201202202
41113212220311
521334333124
62140114245
7366124511
oct127465065
947181682
1022964789
1111a65871
127835985
1349b0a43
14309b141
1520395ae
hex15e6a35

22964789 has 2 divisors, whose sum is σ = 22964790. Its totient is φ = 22964788.

The previous prime is 22964783. The next prime is 22964791. The reversal of 22964789 is 98746922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11628100 + 11336689 = 3410^2 + 3367^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22964789 is a prime.

It is a super-3 number, since 3×229647893 (a number of 23 digits) contains 333 as substring.

Together with 22964791, 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 (22964783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11482394 + 11482395.

It is an arithmetic number, because the mean of its divisors is an integer number (11482395).

Almost surely, 222964789 is an apocalyptic number.

It is an amenable number.

22964789 is a deficient number, since it is larger than the sum of its proper divisors (1).

22964789 is an equidigital number, since it uses as much as digits as its factorization.

22964789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 47.

The square root of 22964789 is about 4792.1591167239. The cubic root of 22964789 is about 284.2415000964.

The spelling of 22964789 in words is "twenty-two million, nine hundred sixty-four thousand, seven hundred eighty-nine".