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22265540213 = 74909647951
BaseRepresentation
bin10100101111001000…
…010010111001110101
32010110201112122011112
4110233020102321311
5331044434241323
614121215444405
71415521653260
oct245710227165
963421478145
1022265540213
119496353a04
124394826705
13213ab75b87
141113143cd7
158a4ad2178
hex52f212e75

22265540213 has 8 divisors (see below), whose sum is σ = 25451554560. Its totient is φ = 19080831600.

The previous prime is 22265540207. The next prime is 22265540233. The reversal of 22265540213 is 31204556222.

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 22265540213 - 216 = 22265474677 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 22265540213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22265540233) 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, 289613 + ... + 358338.

It is an arithmetic number, because the mean of its divisors is an integer number (3181444320).

Almost surely, 222265540213 is an apocalyptic number.

It is an amenable number.

22265540213 is a deficient number, since it is larger than the sum of its proper divisors (3186014347).

22265540213 is an equidigital number, since it uses as much as digits as its factorization.

22265540213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652867.

The product of its (nonzero) digits is 28800, while the sum is 32.

The spelling of 22265540213 in words is "twenty-two billion, two hundred sixty-five million, five hundred forty thousand, two hundred thirteen".

Divisors: 1 7 4909 34363 647951 4535657 3180791459 22265540213