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22193141 is a prime number
BaseRepresentation
bin101010010101…
…0001111110101
31112202112021012
41110222033311
521140140031
62111402005
7356432015
oct124521765
945675235
1022193141
1111589043
127523305
1347a0749
142d39c45
151e35b2b
hex152a3f5

22193141 has 2 divisors, whose sum is σ = 22193142. Its totient is φ = 22193140.

The previous prime is 22193113. The next prime is 22193161. The reversal of 22193141 is 14139122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21298225 + 894916 = 4615^2 + 946^2 .

It is a cyclic number.

It is not a de Polignac number, because 22193141 - 210 = 22192117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22193161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11096570 + 11096571.

It is an arithmetic number, because the mean of its divisors is an integer number (11096571).

Almost surely, 222193141 is an apocalyptic number.

It is an amenable number.

22193141 is a deficient number, since it is larger than the sum of its proper divisors (1).

22193141 is an equidigital number, since it uses as much as digits as its factorization.

22193141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 23.

The square root of 22193141 is about 4710.9596686875. The cubic root of 22193141 is about 281.0215279665.

It can be divided in two parts, 22193 and 141, that multiplied together give a palindrome (3129213).

The spelling of 22193141 in words is "twenty-two million, one hundred ninety-three thousand, one hundred forty-one".