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4222312 = 23527789
BaseRepresentation
bin10000000110110101101000
321221111220221
4100012311220
52040103222
6230255424
750613643
oct20066550
97844827
104222312
112424316
1214b7574
13b4ab13
147bca5a
155860c7
hex406d68

4222312 has 8 divisors (see below), whose sum is σ = 7916850. Its totient is φ = 2111152.

The previous prime is 4222297. The next prime is 4222319. The reversal of 4222312 is 2132224.

It can be written as a sum of positive squares in only one way, i.e., 3437316 + 784996 = 1854^2 + 886^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is a d-powerful number, because it can be written as 4 + 27 + 213 + 221 + 39 + 1 + 221 .

It is not an unprimeable number, because it can be changed into a prime (4222319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263887 + ... + 263902.

Almost surely, 24222312 is an apocalyptic number.

It is an amenable number.

4222312 is a deficient number, since it is larger than the sum of its proper divisors (3694538).

4222312 is a wasteful number, since it uses less digits than its factorization.

4222312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527795 (or 527791 counting only the distinct ones).

The product of its digits is 192, while the sum is 16.

The square root of 4222312 is about 2054.8265133582. The cubic root of 4222312 is about 161.6280650861.

Adding to 4222312 its reverse (2132224), we get a palindrome (6354536).

The spelling of 4222312 in words is "four million, two hundred twenty-two thousand, three hundred twelve".

Divisors: 1 2 4 8 527789 1055578 2111156 4222312