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22428793 is a prime number
BaseRepresentation
bin101010110001…
…1110001111001
31120012111112001
41111203301321
521220210133
62120421001
7361433032
oct125436171
946174461
1022428793
111172a0a2
127617761
134853a9a
142d9ba89
151e8087d
hex1563c79

22428793 has 2 divisors, whose sum is σ = 22428794. Its totient is φ = 22428792.

The previous prime is 22428787. The next prime is 22428799. The reversal of 22428793 is 39782422.

It is a balanced prime because it is at equal distance from previous prime (22428787) and next prime (22428799).

It can be written as a sum of positive squares in only one way, i.e., 20820969 + 1607824 = 4563^2 + 1268^2 .

It is a cyclic number.

It is not a de Polignac number, because 22428793 - 25 = 22428761 is a prime.

It is not a weakly prime, because it can be changed into another prime (22428799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11214396 + 11214397.

It is an arithmetic number, because the mean of its divisors is an integer number (11214397).

Almost surely, 222428793 is an apocalyptic number.

It is an amenable number.

22428793 is a deficient number, since it is larger than the sum of its proper divisors (1).

22428793 is an equidigital number, since it uses as much as digits as its factorization.

22428793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 37.

The square root of 22428793 is about 4735.9046654256. The cubic root of 22428793 is about 282.0126790403.

The spelling of 22428793 in words is "twenty-two million, four hundred twenty-eight thousand, seven hundred ninety-three".