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4722001 is a prime number
BaseRepresentation
bin10010000000110101010001
322212220100221
4102000311101
52202101001
6245113041
755064524
oct22006521
98786327
104722001
112735789
1216b8781
13c943ab
148acbbb
156341a1
hex480d51

4722001 has 2 divisors, whose sum is σ = 4722002. Its totient is φ = 4722000.

The previous prime is 4721999. The next prime is 4722031. The reversal of 4722001 is 1002274.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4080400 + 641601 = 2020^2 + 801^2 .

It is a cyclic number.

It is not a de Polignac number, because 4722001 - 21 = 4721999 is a prime.

Together with 4721999, it forms a pair of twin primes.

4722001 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (4722031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2361000 + 2361001.

It is an arithmetic number, because the mean of its divisors is an integer number (2361001).

Almost surely, 24722001 is an apocalyptic number.

It is an amenable number.

4722001 is a deficient number, since it is larger than the sum of its proper divisors (1).

4722001 is an equidigital number, since it uses as much as digits as its factorization.

4722001 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 16.

The square root of 4722001 is about 2173.0165668950. The cubic root of 4722001 is about 167.7678317017.

Adding to 4722001 its reverse (1002274), we get a palindrome (5724275).

The spelling of 4722001 in words is "four million, seven hundred twenty-two thousand, one".