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214520222 = 2719806467
BaseRepresentation
bin11001100100101…
…01000110011110
3112221122202102102
430302111012132
5414404121342
633141525102
75213251250
oct1462250636
9487582372
10214520222
11100100244
125ba13792
133559c457
14206c1cd0
1513c76832
hexcc9519e

214520222 has 16 divisors (see below), whose sum is σ = 387104640. Its totient is φ = 87098328.

The previous prime is 214520147. The next prime is 214520233. The reversal of 214520222 is 222025412.

214520222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 214520194 and 214520203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 402968 + ... + 403499.

It is an arithmetic number, because the mean of its divisors is an integer number (24194040).

Almost surely, 2214520222 is an apocalyptic number.

214520222 is a deficient number, since it is larger than the sum of its proper divisors (172584418).

214520222 is a wasteful number, since it uses less digits than its factorization.

214520222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806495.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 214520222 is about 14646.5088673035. The cubic root of 214520222 is about 598.6266943024.

Adding to 214520222 its reverse (222025412), we get a palindrome (436545634).

The spelling of 214520222 in words is "two hundred fourteen million, five hundred twenty thousand, two hundred twenty-two".

Divisors: 1 2 7 14 19 38 133 266 806467 1612934 5645269 11290538 15322873 30645746 107260111 214520222