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10722227 is a prime number
BaseRepresentation
bin101000111001…
…101110110011
3202011202010112
4220321232303
510221102402
61021451535
7160065065
oct50715663
922152115
1010722227
11606384a
123710bab
1322b5519
1415d1735
15e1be52
hexa39bb3

10722227 has 2 divisors, whose sum is σ = 10722228. Its totient is φ = 10722226.

The previous prime is 10722169. The next prime is 10722277. The reversal of 10722227 is 72222701.

10722227 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10722227 is a prime.

It is a super-2 number, since 2×107222272 = 229932303679058, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10722277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5361113 + 5361114.

It is an arithmetic number, because the mean of its divisors is an integer number (5361114).

Almost surely, 210722227 is an apocalyptic number.

10722227 is a deficient number, since it is larger than the sum of its proper divisors (1).

10722227 is an equidigital number, since it uses as much as digits as its factorization.

10722227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 10722227 is about 3274.4811802788. The cubic root of 10722227 is about 220.5100219460.

Adding to 10722227 its reverse (72222701), we get a palindrome (82944928).

The spelling of 10722227 in words is "ten million, seven hundred twenty-two thousand, two hundred twenty-seven".