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2214230421 = 313412713757
BaseRepresentation
bin1000001111111010…
…0111100110010101
312201022110120010010
42003332213212111
514013320333141
61003414350433
7105604435164
oct20376474625
95638416103
102214230421
11a3696a0a7
1251965b419
13293974920
141701033db
15ce5cd416
hex83fa7995

2214230421 has 16 divisors (see below), whose sum is σ = 3180409344. Its totient is φ = 1362174144.

The previous prime is 2214230419. The next prime is 2214230423. The reversal of 2214230421 is 1240324122.

It is an interprime number because it is at equal distance from previous prime (2214230419) and next prime (2214230423).

It is not a de Polignac number, because 2214230421 - 21 = 2214230419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2214230423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154075 + ... + 167831.

It is an arithmetic number, because the mean of its divisors is an integer number (198775584).

Almost surely, 22214230421 is an apocalyptic number.

It is an amenable number.

2214230421 is a deficient number, since it is larger than the sum of its proper divisors (966178923).

2214230421 is a wasteful number, since it uses less digits than its factorization.

2214230421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17900.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2214230421 is about 47055.6098781006. The cubic root of 2214230421 is about 1303.3896591471.

Adding to 2214230421 its reverse (1240324122), we get a palindrome (3454554543).

The spelling of 2214230421 in words is "two billion, two hundred fourteen million, two hundred thirty thousand, four hundred twenty-one".

Divisors: 1 3 13 39 4127 12381 13757 41271 53651 160953 178841 536523 56775139 170325417 738076807 2214230421