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22030427 is a prime number
BaseRepresentation
bin101010000001…
…0100001011011
31112110021001202
41110002201123
521114433202
62104104415
7355153436
oct124024133
945407052
1022030427
1111487871
12746510b
134744673
142cd681d
151e02802
hex150285b

22030427 has 2 divisors, whose sum is σ = 22030428. Its totient is φ = 22030426.

The previous prime is 22030409. The next prime is 22030433. The reversal of 22030427 is 72403022.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22030427 - 28 = 22030171 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22030399 and 22030408.

It is not a weakly prime, because it can be changed into another prime (22030727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11015213 + 11015214.

It is an arithmetic number, because the mean of its divisors is an integer number (11015214).

Almost surely, 222030427 is an apocalyptic number.

22030427 is a deficient number, since it is larger than the sum of its proper divisors (1).

22030427 is an equidigital number, since it uses as much as digits as its factorization.

22030427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 22030427 is about 4693.6581682095. The cubic root of 22030427 is about 280.3330518168. Note that the first 3 decimals are identical.

Adding to 22030427 its reverse (72403022), we get a palindrome (94433449).

The spelling of 22030427 in words is "twenty-two million, thirty thousand, four hundred twenty-seven".