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22200000019 = 131169465649
BaseRepresentation
bin10100101011001110…
…010001111000010011
32010022011012211220221
4110223032101320103
5330431200000034
614110515013511
71414064613061
oct245316217023
963264184827
1022200000019
11946235965a
12437689a297
13212a4092b2
141108563031
1589de87bb4
hex52b391e13

22200000019 has 4 divisors (see below), whose sum is σ = 22369465800. Its totient is φ = 22030534240.

The previous prime is 22199999977. The next prime is 22200000049. The reversal of 22200000019 is 91000000222.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91000000222 = 245500000111.

It is a cyclic number.

It is not a de Polignac number, because 22200000019 - 211 = 22199997971 is a prime.

It is a super-2 number, since 2×222000000192 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22199999948 and 22200000011.

It is not an unprimeable number, because it can be changed into a prime (22200000049) 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, 84732694 + ... + 84732955.

It is an arithmetic number, because the mean of its divisors is an integer number (5592366450).

Almost surely, 222200000019 is an apocalyptic number.

22200000019 is a deficient number, since it is larger than the sum of its proper divisors (169465781).

22200000019 is a wasteful number, since it uses less digits than its factorization.

22200000019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169465780.

The product of its (nonzero) digits is 72, while the sum is 16.

The spelling of 22200000019 in words is "twenty-two billion, two hundred million, nineteen", and thus it is an aban number.

Divisors: 1 131 169465649 22200000019