Search a number
-
+
222211042 = 2197974021
BaseRepresentation
bin11010011111010…
…10101111100010
3120111010111020121
431033222233202
5423341223132
634014430454
75335522414
oct1517525742
9514114217
10222211042
11104483499
126250242a
1337062c31
14217249b4
1514795497
hexd3eabe2

222211042 has 16 divisors (see below), whose sum is σ = 355305600. Its totient is φ = 103924080.

The previous prime is 222211037. The next prime is 222211081. The reversal of 222211042 is 240112222.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34009 + ... + 40012.

It is an arithmetic number, because the mean of its divisors is an integer number (22206600).

Almost surely, 2222211042 is an apocalyptic number.

222211042 is a deficient number, since it is larger than the sum of its proper divisors (133094558).

222211042 is a wasteful number, since it uses less digits than its factorization.

222211042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74121.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 222211042 is about 14906.7448492285. The cubic root of 222211042 is about 605.6967062010.

Adding to 222211042 its reverse (240112222), we get a palindrome (462323264).

The spelling of 222211042 in words is "two hundred twenty-two million, two hundred eleven thousand, forty-two".

Divisors: 1 2 19 38 79 158 1501 3002 74021 148042 1406399 2812798 5847659 11695318 111105521 222211042