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22200023 is a prime number
BaseRepresentation
bin101010010101…
…1111011010111
31112202212201002
41110223323113
521140400043
62111453515
7356461046
oct124537327
945685632
1022200023
111159322a
12752729b
1347a3911
142d3c55d
151e37bb8
hex152bed7

22200023 has 2 divisors, whose sum is σ = 22200024. Its totient is φ = 22200022.

The previous prime is 22200001. The next prime is 22200043. The reversal of 22200023 is 32000222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22200023 - 26 = 22199959 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 22199977 and 22200013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22200043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11100011 + 11100012.

It is an arithmetic number, because the mean of its divisors is an integer number (11100012).

Almost surely, 222200023 is an apocalyptic number.

22200023 is a deficient number, since it is larger than the sum of its proper divisors (1).

22200023 is an equidigital number, since it uses as much as digits as its factorization.

22200023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 22200023 is about 4711.6900364943. The cubic root of 22200023 is about 281.0505728305.

Adding to 22200023 its reverse (32000222), we get a palindrome (54200245).

The spelling of 22200023 in words is "twenty-two million, two hundred thousand, twenty-three".