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22131113330 = 252937553281
BaseRepresentation
bin10100100111000111…
…011111110101110010
32010010100121001011002
4110213013133311302
5330311031111310
614100014322002
71412300234204
oct244707376562
963110531132
1022131113330
119427489007
1243577b9302
13211906a441
1410dd350774
15897dcbda5
hex5271dfd72

22131113330 has 16 divisors (see below), whose sum is σ = 39971968344. Its totient is φ = 8822231040.

The previous prime is 22131113321. The next prime is 22131113339. The reversal of 22131113330 is 3331113122.

It is an interprime number because it is at equal distance from previous prime (22131113321) and next prime (22131113339).

It can be written as a sum of positive squares in 4 ways, for example, as 22123290121 + 7823209 = 148739^2 + 2797^2 .

It is not an unprimeable number, because it can be changed into a prime (22131113339) 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, 3773711 + ... + 3779570.

Almost surely, 222131113330 is an apocalyptic number.

22131113330 is a deficient number, since it is larger than the sum of its proper divisors (17840855014).

22131113330 is a wasteful number, since it uses less digits than its factorization.

22131113330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7553581.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 22131113330 its reverse (3331113122), we get a palindrome (25462226452).

The spelling of 22131113330 in words is "twenty-two billion, one hundred thirty-one million, one hundred thirteen thousand, three hundred thirty".

Divisors: 1 2 5 10 293 586 1465 2930 7553281 15106562 37766405 75532810 2213111333 4426222666 11065556665 22131113330