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22300210421 = 61681361541
BaseRepresentation
bin10100110001001100…
…100011010011110101
32010120010210001202022
4110301030203103311
5331132323213141
614124454522525
71416422442506
oct246114432365
963503701668
1022300210421
119503984175
1243a4366445
1321450c47a8
1411179aabad
158a7b7eb4b
hex5313234f5

22300210421 has 4 divisors (see below), whose sum is σ = 22300633644. Its totient is φ = 22299787200.

The previous prime is 22300210363. The next prime is 22300210433. The reversal of 22300210421 is 12401200322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13480371025 + 8819839396 = 116105^2 + 93914^2 .

It is a cyclic number.

It is not a de Polignac number, because 22300210421 - 226 = 22233101557 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 22300210421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22300210721) 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, 119090 + ... + 242451.

It is an arithmetic number, because the mean of its divisors is an integer number (5575158411).

Almost surely, 222300210421 is an apocalyptic number.

It is an amenable number.

22300210421 is a deficient number, since it is larger than the sum of its proper divisors (423223).

22300210421 is an equidigital number, since it uses as much as digits as its factorization.

22300210421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423222.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 22300210421 its reverse (12401200322), we get a palindrome (34701410743).

The spelling of 22300210421 in words is "twenty-two billion, three hundred million, two hundred ten thousand, four hundred twenty-one".

Divisors: 1 61681 361541 22300210421