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22212222101 = 2367139103699
BaseRepresentation
bin10100101011111100…
…111001110010010101
32010100000012210110122
4110223330321302111
5330442312101401
614112033001325
71414303526006
oct245374716225
963300183418
1022212222101
119469247253
12437a9b3245
13212cac83b4
14110a0251ad
158a009e21b
hex52bf39c95

22212222101 has 16 divisors (see below), whose sum is σ = 23693376000. Its totient is φ = 20778590448.

The previous prime is 22212222013. The next prime is 22212222107. The reversal of 22212222101 is 10122221222.

It is a happy number.

It is not a de Polignac number, because 22212222101 - 234 = 5032352917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22212222101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22212222107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162350 + ... + 266048.

It is an arithmetic number, because the mean of its divisors is an integer number (1480836000).

Almost surely, 222212222101 is an apocalyptic number.

It is an amenable number.

22212222101 is a deficient number, since it is larger than the sum of its proper divisors (1481153899).

22212222101 is a wasteful number, since it uses less digits than its factorization.

22212222101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103928.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22212222101 its reverse (10122221222), we get a palindrome (32334443323).

The spelling of 22212222101 in words is "twenty-two billion, two hundred twelve million, two hundred twenty-two thousand, one hundred one".

Divisors: 1 23 67 139 1541 3197 9313 103699 214199 2385077 6947833 14414161 159800159 331525703 965748787 22212222101