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22030201 is a prime number
BaseRepresentation
bin101010000001…
…0011101111001
31112110020202101
41110002131321
521114431301
62104103401
7355152664
oct124023571
945406671
1022030201
1111487686
127464b61
13474452b
142cd66db
151e02701
hex1502779

22030201 has 2 divisors, whose sum is σ = 22030202. Its totient is φ = 22030200.

The previous prime is 22030199. The next prime is 22030213. The reversal of 22030201 is 10203022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14745600 + 7284601 = 3840^2 + 2699^2 .

It is a cyclic number.

It is not a de Polignac number, because 22030201 - 21 = 22030199 is a prime.

It is a super-2 number, since 2×220302012 = 970659512200802, which contains 22 as substring.

Together with 22030199, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22030231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11015100 + 11015101.

It is an arithmetic number, because the mean of its divisors is an integer number (11015101).

Almost surely, 222030201 is an apocalyptic number.

It is an amenable number.

22030201 is a deficient number, since it is larger than the sum of its proper divisors (1).

22030201 is an equidigital number, since it uses as much as digits as its factorization.

22030201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 22030201 is about 4693.6340931095. The cubic root of 22030201 is about 280.3320932110.

Adding to 22030201 its reverse (10203022), we get a palindrome (32233223).

The spelling of 22030201 in words is "twenty-two million, thirty thousand, two hundred one".