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20221222011 = 343156753659
BaseRepresentation
bin10010110101010001…
…110101110001111011
31221012020210111210120
4102311101311301323
5312403113101021
613142310544323
71314046360014
oct226521656173
957166714716
1020221222011
118637397431
123b040680a3
131ba3482633
14d9b83000b
157d53b82c6
hex4b5475c7b

20221222011 has 8 divisors (see below), whose sum is σ = 27588644160. Its totient is φ = 13167307272.

The previous prime is 20221221997. The next prime is 20221222037. The reversal of 20221222011 is 11022212202.

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

It is not a de Polignac number, because 20221222011 - 26 = 20221221947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20221222061) 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, 78376701 + ... + 78376958.

It is an arithmetic number, because the mean of its divisors is an integer number (3448580520).

Almost surely, 220221222011 is an apocalyptic number.

20221222011 is a deficient number, since it is larger than the sum of its proper divisors (7367422149).

20221222011 is a wasteful number, since it uses less digits than its factorization.

20221222011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156753705.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20221222011 its reverse (11022212202), we get a palindrome (31243434213).

The spelling of 20221222011 in words is "twenty billion, two hundred twenty-one million, two hundred twenty-two thousand, eleven".

Divisors: 1 3 43 129 156753659 470260977 6740407337 20221222011