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22201230331 = 720271564679
BaseRepresentation
bin10100101011010010…
…111110001111111011
32010022020112100121001
4110223102332033323
5330432003332311
614111001225431
71414111226020
oct245322761773
963266470531
1022201230331
119463019a45
124377192277
13212a74a2a7
1411087a3547
1589e12c4c1
hex52b4be3fb

22201230331 has 8 divisors (see below), whose sum is σ = 25385368320. Its totient is φ = 19020225768.

The previous prime is 22201230329. The next prime is 22201230347. The reversal of 22201230331 is 13303210222.

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 22201230331 - 21 = 22201230329 is a prime.

It is a super-2 number, since 2×222012303312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22201230299 and 22201230308.

It is not an unprimeable number, because it can be changed into a prime (22201230391) 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, 768151 + ... + 796528.

It is an arithmetic number, because the mean of its divisors is an integer number (3173171040).

Almost surely, 222201230331 is an apocalyptic number.

22201230331 is a deficient number, since it is larger than the sum of its proper divisors (3184137989).

22201230331 is a wasteful number, since it uses less digits than its factorization.

22201230331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1566713.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 22201230331 its reverse (13303210222), we get a palindrome (35504440553).

The spelling of 22201230331 in words is "twenty-two billion, two hundred one million, two hundred thirty thousand, three hundred thirty-one".

Divisors: 1 7 2027 14189 1564679 10952753 3171604333 22201230331