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22200000031 = 116863294067
BaseRepresentation
bin10100101011001110…
…010001111000011111
32010022011012211221101
4110223032101320133
5330431200000111
614110515013531
71414064613106
oct245316217037
963264184841
1022200000031
119462359670
12437689a2a7
13212a4092c1
14110856303d
1589de87bc1
hex52b391e1f

22200000031 has 8 divisors (see below), whose sum is σ = 24221793024. Its totient is φ = 20178808920.

The previous prime is 22199999977. The next prime is 22200000049. The reversal of 22200000031 is 13000000222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22200000031 - 227 = 22065782303 is a prime.

It is a super-2 number, since 2×222000000312 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22199999963 and 22200000017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22200000071) 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 7 ways as a sum of consecutive naturals, for example, 71541 + ... + 222526.

It is an arithmetic number, because the mean of its divisors is an integer number (3027724128).

Almost surely, 222200000031 is an apocalyptic number.

22200000031 is a deficient number, since it is larger than the sum of its proper divisors (2021792993).

22200000031 is a wasteful number, since it uses less digits than its factorization.

22200000031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300941.

The product of its (nonzero) digits is 24, while the sum is 10.

Adding to 22200000031 its reverse (13000000222), we get a palindrome (35200000253).

The spelling of 22200000031 in words is "twenty-two billion, two hundred million, thirty-one", and thus it is an aban number.

Divisors: 1 11 6863 75493 294067 3234737 2018181821 22200000031