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2222420223 = 3740806741
BaseRepresentation
bin1000010001110111…
…0111000011111111
312201212212122102010
42010131313003333
514022414421343
61004310102303
7106034155152
oct20435670377
95655778363
102222420223
11a40553231
1252034a993
1329558156a
14171235c99
15d0199d33
hex847770ff

2222420223 has 4 divisors (see below), whose sum is σ = 2963226968. Its totient is φ = 1481613480.

The previous prime is 2222420219. The next prime is 2222420227. The reversal of 2222420223 is 3220242222.

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

It is an interprime number because it is at equal distance from previous prime (2222420219) and next prime (2222420227).

It is not a de Polignac number, because 2222420223 - 22 = 2222420219 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 2222420223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222420227) 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, 370403368 + ... + 370403373.

It is an arithmetic number, because the mean of its divisors is an integer number (740806742).

Almost surely, 22222420223 is an apocalyptic number.

2222420223 is a deficient number, since it is larger than the sum of its proper divisors (740806745).

2222420223 is an equidigital number, since it uses as much as digits as its factorization.

2222420223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740806744.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 2222420223 is about 47142.5521477147. The cubic root of 2222420223 is about 1304.9946365805.

Adding to 2222420223 its reverse (3220242222), we get a palindrome (5442662445).

The spelling of 2222420223 in words is "two billion, two hundred twenty-two million, four hundred twenty thousand, two hundred twenty-three".

Divisors: 1 3 740806741 2222420223