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222008214 = 23371000037
BaseRepresentation
bin11010011101110…
…01001110010110
3120110202012000110
431032321032112
5423313230324
634010223450
75334016161
oct1516711626
9513665013
10222008214
1110435506a
1262424b86
1336cc180c
14216b0ad8
1514755329
hexd3b9396

222008214 has 16 divisors (see below), whose sum is σ = 456017328. Its totient is φ = 72002592.

The previous prime is 222008197. The next prime is 222008221. The reversal of 222008214 is 412800222.

It is a happy number.

222008214 is a modest number, since divided by 8214 gives 222 as remainder.

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, 499797 + ... + 500240.

It is an arithmetic number, because the mean of its divisors is an integer number (28501083).

Almost surely, 2222008214 is an apocalyptic number.

222008214 is an abundant number, since it is smaller than the sum of its proper divisors (234009114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222008214 is a wasteful number, since it uses less digits than its factorization.

222008214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000079.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 222008214 is about 14899.9400669936. The cubic root of 222008214 is about 605.5123624527.

Adding to 222008214 its reverse (412800222), we get a palindrome (634808436).

It can be divided in two parts, 222008 and 214, that added together give a palindrome (222222).

The spelling of 222008214 in words is "two hundred twenty-two million, eight thousand, two hundred fourteen".

Divisors: 1 2 3 6 37 74 111 222 1000037 2000074 3000111 6000222 37001369 74002738 111004107 222008214