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22201220311 = 137937117293
BaseRepresentation
bin10100101011010010…
…111011110011010111
32010022020111211211221
4110223102323303113
5330432003022221
614111001111211
71414111154554
oct245322736327
963266454757
1022201220311
119463012466
124377188507
13212a74586a
14110879da2b
1589e129541
hex52b4bbcd7

22201220311 has 8 divisors (see below), whose sum is σ = 22366952784. Its totient is φ = 22035541440.

The previous prime is 22201220233. The next prime is 22201220351. The reversal of 22201220311 is 11302210222.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 22201220311 - 221 = 22199123159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22201220351) 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, 1275181 + ... + 1292473.

It is an arithmetic number, because the mean of its divisors is an integer number (2795869098).

Almost surely, 222201220311 is an apocalyptic number.

22201220311 is a deficient number, since it is larger than the sum of its proper divisors (165732473).

22201220311 is a wasteful number, since it uses less digits than its factorization.

22201220311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26801.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 22201220311 its reverse (11302210222), we get a palindrome (33503430533).

The spelling of 22201220311 in words is "twenty-two billion, two hundred one million, two hundred twenty thousand, three hundred eleven".

Divisors: 1 137 9371 17293 1283827 2369141 162052703 22201220311