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214222405 = 5154327767
BaseRepresentation
bin11001100010011…
…00011001000101
3112221002121220011
430301030121011
5414320104110
633131310221
75210601055
oct1461143105
9487077804
10214222405
11aaa17511
125b8ab371
13354c6a27
1420645565
1513c1848a
hexcc4c645

214222405 has 8 divisors (see below), whose sum is σ = 257242752. Its totient is φ = 171260688.

The previous prime is 214222403. The next prime is 214222409. The reversal of 214222405 is 504222412.

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 214222405 - 21 = 214222403 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214222403) 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, 6169 + ... + 21598.

It is an arithmetic number, because the mean of its divisors is an integer number (32155344).

Almost surely, 2214222405 is an apocalyptic number.

It is an amenable number.

214222405 is a deficient number, since it is larger than the sum of its proper divisors (43020347).

214222405 is a wasteful number, since it uses less digits than its factorization.

214222405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29315.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 214222405 is about 14636.3385107068. The cubic root of 214222405 is about 598.3495428519.

Adding to 214222405 its reverse (504222412), we get a palindrome (718444817).

The spelling of 214222405 in words is "two hundred fourteen million, two hundred twenty-two thousand, four hundred five".

Divisors: 1 5 1543 7715 27767 138835 42844481 214222405