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22211162689 = 31716489119
BaseRepresentation
bin10100101011111000…
…110111001001000001
32010022221012222020011
4110223320313021001
5330442024201224
614111554144521
71414261524232
oct245370671101
963287188204
1022211162689
119468693301
12437a582141
13212c817121
141109c2b089
1589ee40394
hex52be37241

22211162689 has 4 divisors (see below), whose sum is σ = 22927651840. Its totient is φ = 21494673540.

The previous prime is 22211162683. The next prime is 22211162707. The reversal of 22211162689 is 98626111222.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98626111222 = 249313055611.

It is a cyclic number.

It is not a de Polignac number, because 22211162689 - 25 = 22211162657 is a prime.

It is a super-3 number, since 3×222111626893 (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22211162683) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 358244529 + ... + 358244590.

It is an arithmetic number, because the mean of its divisors is an integer number (5731912960).

Almost surely, 222211162689 is an apocalyptic number.

It is an amenable number.

22211162689 is a deficient number, since it is larger than the sum of its proper divisors (716489151).

22211162689 is an equidigital number, since it uses as much as digits as its factorization.

22211162689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716489150.

The product of its digits is 41472, while the sum is 40.

It can be divided in two parts, 22211 and 162689, that added together give a square (184900 = 4302).

The spelling of 22211162689 in words is "twenty-two billion, two hundred eleven million, one hundred sixty-two thousand, six hundred eighty-nine".

Divisors: 1 31 716489119 22211162689