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22321230213 = 37440410071
BaseRepresentation
bin10100110010011100…
…101111000110000101
32010121121022222111010
4110302130233012011
5331203213331323
614130525232433
71420066216632
oct246234570605
963547288433
1022321230213
1195148306a7
1243ab402719
132149574139
14111a6bd189
158a9932c93
hex53272f185

22321230213 has 4 divisors (see below), whose sum is σ = 29761640288. Its totient is φ = 14880820140.

The previous prime is 22321230203. The next prime is 22321230257. The reversal of 22321230213 is 31203212322.

It is a happy number.

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 22321230213 - 25 = 22321230181 is a prime.

It is a super-3 number, since 3×223212302133 (a number of 32 digits) contains 333 as substring.

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 22321230213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22321230203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3720205033 + ... + 3720205038.

It is an arithmetic number, because the mean of its divisors is an integer number (7440410072).

Almost surely, 222321230213 is an apocalyptic number.

It is an amenable number.

22321230213 is a deficient number, since it is larger than the sum of its proper divisors (7440410075).

22321230213 is an equidigital number, since it uses as much as digits as its factorization.

22321230213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7440410074.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 22321230213 its reverse (31203212322), we get a palindrome (53524442535).

The spelling of 22321230213 in words is "twenty-two billion, three hundred twenty-one million, two hundred thirty thousand, two hundred thirteen".

Divisors: 1 3 7440410071 22321230213