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22424430019 = 56453397223
BaseRepresentation
bin10100111000100110…
…011010010111000011
32010212210112002000011
4110320212122113003
5331411123230034
614145053205351
71422461336665
oct247046322703
963783462004
1022424430019
1195680081a2
124419a90857
132164a68204
14112a2a4535
158b3a1a864
hex53899a5c3

22424430019 has 4 divisors (see below), whose sum is σ = 22424883696. Its totient is φ = 22423976344.

The previous prime is 22424430001. The next prime is 22424430031. The reversal of 22424430019 is 91003442422.

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

It is a cyclic number.

It is not a de Polignac number, because 22424430019 - 25 = 22424429987 is a prime.

It is a super-2 number, since 2×224244300192 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22424430719) 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, 142159 + ... + 255064.

It is an arithmetic number, because the mean of its divisors is an integer number (5606220924).

Almost surely, 222424430019 is an apocalyptic number.

22424430019 is a deficient number, since it is larger than the sum of its proper divisors (453677).

22424430019 is an equidigital number, since it uses as much as digits as its factorization.

22424430019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453676.

The product of its (nonzero) digits is 13824, while the sum is 31.

The spelling of 22424430019 in words is "twenty-two billion, four hundred twenty-four million, four hundred thirty thousand, nineteen".

Divisors: 1 56453 397223 22424430019