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2226444221 = 16319996833
BaseRepresentation
bin1000010010110100…
…1101011110111101
312202011110002022002
42010231031132331
514024432203341
61004532232045
7106113315011
oct20455153675
95664402262
102226444221
11a42851551
1252176b625
13296360021
141719a2541
15d06e229b
hex84b4d7bd

2226444221 has 8 divisors (see below), whose sum is σ = 2241552000. Its totient is φ = 2211354432.

The previous prime is 2226444169. The next prime is 2226444251. The reversal of 2226444221 is 1224446222.

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 2226444221 - 222 = 2222249917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2226444251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322421 + ... + 329253.

It is an arithmetic number, because the mean of its divisors is an integer number (280194000).

Almost surely, 22226444221 is an apocalyptic number.

It is an amenable number.

2226444221 is a deficient number, since it is larger than the sum of its proper divisors (15107779).

2226444221 is a wasteful number, since it uses less digits than its factorization.

2226444221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8995.

The product of its digits is 12288, while the sum is 29.

The square root of 2226444221 is about 47185.2118888959. The cubic root of 2226444221 is about 1305.7817858843.

The spelling of 2226444221 in words is "two billion, two hundred twenty-six million, four hundred forty-four thousand, two hundred twenty-one".

Divisors: 1 163 1999 6833 325837 1113779 13659167 2226444221