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4222159 = 11873557
BaseRepresentation
bin10000000110110011001111
321221111201021
4100012303033
52040102114
6230255011
750613334
oct20066317
97844637
104222159
112424197
1214b7467
13b4aa26
147bc98b
15586024
hex406ccf

4222159 has 4 divisors (see below), whose sum is σ = 4226904. Its totient is φ = 4217416.

The previous prime is 4222117. The next prime is 4222177. The reversal of 4222159 is 9512224.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4222159 is a prime.

It is a Duffinian number.

4222159 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4222759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 592 + ... + 2965.

It is an arithmetic number, because the mean of its divisors is an integer number (1056726).

Almost surely, 24222159 is an apocalyptic number.

4222159 is a deficient number, since it is larger than the sum of its proper divisors (4745).

4222159 is a wasteful number, since it uses less digits than its factorization.

4222159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4744.

The product of its digits is 1440, while the sum is 25.

The square root of 4222159 is about 2054.7892836006. The cubic root of 4222159 is about 161.6261128072.

It can be divided in two parts, 422215 and 9, that added together give a palindrome (422224).

The spelling of 4222159 in words is "four million, two hundred twenty-two thousand, one hundred fifty-nine".

Divisors: 1 1187 3557 4222159