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22201233121 = 432831824409
BaseRepresentation
bin10100101011010010…
…111110111011100001
32010022020112111102101
4110223102332323201
5330432003424441
614111001250401
71414111240114
oct245322767341
963266474371
1022201233121
119463021051
124377193a01
13212a74b642
1411087a457b
1589e12d231
hex52b4beee1

22201233121 has 8 divisors (see below), whose sum is σ = 22797827360. Its totient is φ = 21608288352.

The previous prime is 22201233053. The next prime is 22201233137. The reversal of 22201233121 is 12133210222.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22201233121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22201233421) 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, 900036 + ... + 924373.

It is an arithmetic number, because the mean of its divisors is an integer number (2849728420).

Almost surely, 222201233121 is an apocalyptic number.

It is an amenable number.

22201233121 is a deficient number, since it is larger than the sum of its proper divisors (596594239).

22201233121 is a wasteful number, since it uses less digits than its factorization.

22201233121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1824735.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 22201233121 its reverse (12133210222), we get a palindrome (34334443343).

The spelling of 22201233121 in words is "twenty-two billion, two hundred one million, two hundred thirty-three thousand, one hundred twenty-one".

Divisors: 1 43 283 12169 1824409 78449587 516307747 22201233121