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22122299 is a prime number
BaseRepresentation
bin101010001100…
…0111100111011
31112121221002102
41110120330323
521130403144
62110054015
7356015333
oct124307473
945557072
1022122299
111153a8a1
1274aa30b
134777424
142d1c0c3
151e1eb4e
hex1518f3b

22122299 has 2 divisors, whose sum is σ = 22122300. Its totient is φ = 22122298.

The previous prime is 22122283. The next prime is 22122311. The reversal of 22122299 is 99222122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22122299 - 24 = 22122283 is a prime.

It is a super-2 number, since 2×221222992 = 978792226090802, which contains 22 as substring.

It is a Chen prime.

It is equal to p1396451 and since 22122299 and 1396451 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (22122259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11061149 + 11061150.

It is an arithmetic number, because the mean of its divisors is an integer number (11061150).

Almost surely, 222122299 is an apocalyptic number.

22122299 is a deficient number, since it is larger than the sum of its proper divisors (1).

22122299 is an equidigital number, since it uses as much as digits as its factorization.

22122299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 29.

The square root of 22122299 is about 4703.4348087329. The cubic root of 22122299 is about 280.7221960330.

The spelling of 22122299 in words is "twenty-two million, one hundred twenty-two thousand, two hundred ninety-nine".