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22200313021 = 732391272443
BaseRepresentation
bin10100101011001111…
…011110010010111101
32010022011210202021121
4110223033132102331
5330431240004041
614110525430541
71414100355445
oct245317362275
963264722247
1022200313021
119462552837
124376a0b451
13212a4b88c3
141108605125
1589deea7d1
hex52b3de4bd

22200313021 has 8 divisors (see below), whose sum is σ = 22598605440. Its totient is φ = 21804566112.

The previous prime is 22200312997. The next prime is 22200313049. The reversal of 22200313021 is 12031300222.

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 22200313021 - 29 = 22200312509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22200312986 and 22200313004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22200313081) 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, 618775 + ... + 653668.

It is an arithmetic number, because the mean of its divisors is an integer number (2824825680).

Almost surely, 222200313021 is an apocalyptic number.

It is an amenable number.

22200313021 is a deficient number, since it is larger than the sum of its proper divisors (398292419).

22200313021 is a wasteful number, since it uses less digits than its factorization.

22200313021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272755.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 22200313021 its reverse (12031300222), we get a palindrome (34231613243).

The spelling of 22200313021 in words is "twenty-two billion, two hundred million, three hundred thirteen thousand, twenty-one".

Divisors: 1 73 239 17447 1272443 92888339 304113877 22200313021