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221152022 = 27131215121
BaseRepresentation
bin11010010111010…
…00001100010110
3120102010200112122
431023220030112
5423103331042
633540015542
75323522040
oct1513501426
9512120478
10221152022
1110391a873
12620915b2
1336a81bb0
142152aa90
15146367d2
hexd2e8316

221152022 has 16 divisors (see below), whose sum is σ = 408280992. Its totient is φ = 87488640.

The previous prime is 221152013. The next prime is 221152027. The reversal of 221152022 is 220251122.

221152022 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221152027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 607379 + ... + 607742.

It is an arithmetic number, because the mean of its divisors is an integer number (25517562).

Almost surely, 2221152022 is an apocalyptic number.

221152022 is a deficient number, since it is larger than the sum of its proper divisors (187128970).

221152022 is a wasteful number, since it uses less digits than its factorization.

221152022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215143.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 221152022 is about 14871.1809215005. The cubic root of 221152022 is about 604.7329577566.

The spelling of 221152022 in words is "two hundred twenty-one million, one hundred fifty-two thousand, twenty-two".

Divisors: 1 2 7 13 14 26 91 182 1215121 2430242 8505847 15796573 17011694 31593146 110576011 221152022