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4222231 = 133110477
BaseRepresentation
bin10000000110110100010111
321221111210221
4100012310113
52040102411
6230255211
750613466
oct20066427
97844727
104222231
112424252
1214b7507
13b4aa80
147bc9dd
15586071
hex406d17

4222231 has 8 divisors (see below), whose sum is σ = 4694144. Its totient is φ = 3771360.

The previous prime is 4222219. The next prime is 4222243. The reversal of 4222231 is 1322224.

It is an interprime number because it is at equal distance from previous prime (4222219) and next prime (4222243).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4222231 is a prime.

It is a super-2 number, since 2×42222312 = 35654469234722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4223231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4836 + ... + 5641.

It is an arithmetic number, because the mean of its divisors is an integer number (586768).

Almost surely, 24222231 is an apocalyptic number.

4222231 is a deficient number, since it is larger than the sum of its proper divisors (471913).

4222231 is a wasteful number, since it uses less digits than its factorization.

4222231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10521.

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

The square root of 4222231 is about 2054.8068035706. The cubic root of 4222231 is about 161.6270315325.

Adding to 4222231 its reverse (1322224), we get a palindrome (5544455).

It can be divided in two parts, 422223 and 1, that added together give a palindrome (422224).

The spelling of 4222231 in words is "four million, two hundred twenty-two thousand, two hundred thirty-one".

Divisors: 1 13 31 403 10477 136201 324787 4222231