Search a number
-
+
22220211311 = 631259113591
BaseRepresentation
bin10100101100011011…
…011000010001101111
32010100120020200121022
4110230123120101233
5331001333230221
614112520124355
71414431452114
oct245433302157
963316220538
1022220211311
119472803701
1243816066bb
13213166493c
14110b10490b
158a0b2b4ab
hex52c6d846f

22220211311 has 8 divisors (see below), whose sum is σ = 22265653248. Its totient is φ = 22174803000.

The previous prime is 22220211281. The next prime is 22220211317. The reversal of 22220211311 is 11311202222.

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-22220211311 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22220211311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220211317) 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, 1628126 + ... + 1641716.

It is an arithmetic number, because the mean of its divisors is an integer number (2783206656).

Almost surely, 222220211311 is an apocalyptic number.

22220211311 is a deficient number, since it is larger than the sum of its proper divisors (45441937).

22220211311 is a wasteful number, since it uses less digits than its factorization.

22220211311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16813.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 22220211311 its reverse (11311202222), we get a palindrome (33531413533).

The spelling of 22220211311 in words is "twenty-two billion, two hundred twenty million, two hundred eleven thousand, three hundred eleven".

Divisors: 1 631 2591 13591 1634921 8575921 35214281 22220211311