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4228457 is a prime number
BaseRepresentation
bin10000001000010101101001
321221211100112
4100020111221
52040302312
6230344105
750640602
oct20102551
97854315
104228457
1124289a2
1214bb035
13b5085c
147c0da9
15587d22
hex408569

4228457 has 2 divisors, whose sum is σ = 4228458. Its totient is φ = 4228456.

The previous prime is 4228429. The next prime is 4228487. The reversal of 4228457 is 7548224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3613801 + 614656 = 1901^2 + 784^2 .

It is a cyclic number.

It is not a de Polignac number, because 4228457 - 212 = 4224361 is a prime.

It is not a weakly prime, because it can be changed into another prime (4228487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2114228 + 2114229.

It is an arithmetic number, because the mean of its divisors is an integer number (2114229).

Almost surely, 24228457 is an apocalyptic number.

It is an amenable number.

4228457 is a deficient number, since it is larger than the sum of its proper divisors (1).

4228457 is an equidigital number, since it uses as much as digits as its factorization.

4228457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17920, while the sum is 32.

The square root of 4228457 is about 2056.3212297693. The cubic root of 4228457 is about 161.7064362901.

The spelling of 4228457 in words is "four million, two hundred twenty-eight thousand, four hundred fifty-seven".