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22100147 is a prime number
BaseRepresentation
bin101010001001…
…1100010110011
31112120210200222
41110103202303
521124201042
62105403255
7355563626
oct124234263
945523628
1022100147
1111525193
12749952b
13476a314
142d13dbd
151e182d2
hex15138b3

22100147 has 2 divisors, whose sum is σ = 22100148. Its totient is φ = 22100146.

The previous prime is 22100131. The next prime is 22100149. The reversal of 22100147 is 74100122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22100147 - 24 = 22100131 is a prime.

Together with 22100149, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22100149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11050073 + 11050074.

It is an arithmetic number, because the mean of its divisors is an integer number (11050074).

Almost surely, 222100147 is an apocalyptic number.

22100147 is a deficient number, since it is larger than the sum of its proper divisors (1).

22100147 is an equidigital number, since it uses as much as digits as its factorization.

22100147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 22100147 is about 4701.0793441507. The cubic root of 22100147 is about 280.6284650442.

Adding to 22100147 its reverse (74100122), we get a palindrome (96200269).

The spelling of 22100147 in words is "twenty-two million, one hundred thousand, one hundred forty-seven".