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4222957 = 832613
BaseRepresentation
bin10000000110111111101101
321221112210211
4100012333231
52040113312
6230302421
750615554
oct20067755
97845724
104222957
112424852
1214b7a11
13b4b1bb
147bcd9b
155863a7
hex406fed

4222957 has 6 divisors (see below), whose sum is σ = 4281422. Its totient is φ = 4165272.

The previous prime is 4222949. The next prime is 4222963. The reversal of 4222957 is 7592224.

It can be written as a sum of positive squares in only one way, i.e., 2232036 + 1990921 = 1494^2 + 1411^2 .

It is not a de Polignac number, because 4222957 - 23 = 4222949 is a prime.

It is a d-powerful number, because it can be written as 411 + 23 + 29 + 213 + 9 + 55 + 75 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4222927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6583 + ... + 7195.

Almost surely, 24222957 is an apocalyptic number.

It is an amenable number.

4222957 is a deficient number, since it is larger than the sum of its proper divisors (58465).

4222957 is an frugal number, since it uses more digits than its factorization.

4222957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779 (or 696 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 4222957 is about 2054.9834549212. The cubic root of 4222957 is about 161.6362947633.

The spelling of 4222957 in words is "four million, two hundred twenty-two thousand, nine hundred fifty-seven".

Divisors: 1 83 613 6889 50879 4222957