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22330023213 = 37443341071
BaseRepresentation
bin10100110010111110…
…010001110100101101
32010122012212201012210
4110302332101310231
5331212441220323
614131441521033
71420234031331
oct246276216455
963565781183
1022330023213
119519796a43
1243b2343179
13214b3324b4
14111b92b7c1
158aa5bd293
hex532f91d2d

22330023213 has 4 divisors (see below), whose sum is σ = 29773364288. Its totient is φ = 14886682140.

The previous prime is 22330023197. The next prime is 22330023223. The reversal of 22330023213 is 31232003322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 22330023213 - 24 = 22330023197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22330023213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22330023223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3721670533 + ... + 3721670538.

It is an arithmetic number, because the mean of its divisors is an integer number (7443341072).

Almost surely, 222330023213 is an apocalyptic number.

It is an amenable number.

22330023213 is a deficient number, since it is larger than the sum of its proper divisors (7443341075).

22330023213 is an equidigital number, since it uses as much as digits as its factorization.

22330023213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7443341074.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 22330023213 its reverse (31232003322), we get a palindrome (53562026535).

The spelling of 22330023213 in words is "twenty-two billion, three hundred thirty million, twenty-three thousand, two hundred thirteen".

Divisors: 1 3 7443341071 22330023213