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21222210314 = 268491154927
BaseRepresentation
bin10011110000111100…
…010011101100001010
32000210000022222121102
4103300330103230022
5321430341212224
613425505341402
71350622545164
oct236074235412
960700288542
1021222210314
119000425798
124143337862
1320029775c6
141054757934
158431e24ae
hex4f0f13b0a

21222210314 has 8 divisors (see below), whose sum is σ = 31833985728. Its totient is φ = 10610881740.

The previous prime is 21222210311. The next prime is 21222210337. The reversal of 21222210314 is 41301222212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×212222103142 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21222210311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59519 + ... + 214445.

It is an arithmetic number, because the mean of its divisors is an integer number (3979248216).

Almost surely, 221222210314 is an apocalyptic number.

21222210314 is a deficient number, since it is larger than the sum of its proper divisors (10611775414).

21222210314 is a wasteful number, since it uses less digits than its factorization.

21222210314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223420.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 21222210314 its reverse (41301222212), we get a palindrome (62523432526).

The spelling of 21222210314 in words is "twenty-one billion, two hundred twenty-two million, two hundred ten thousand, three hundred fourteen".

Divisors: 1 2 68491 136982 154927 309854 10611105157 21222210314