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22214210 = 254154181
BaseRepresentation
bin101010010111…
…1011001000010
31112210121011112
41110233121002
521141323320
62112043322
7356550314
oct124573102
945717145
1022214210
11115a2957
127533542
1347aa205
142d437b4
151e3bec5
hex152f642

22214210 has 16 divisors (see below), whose sum is σ = 40961592. Its totient is φ = 8668800.

The previous prime is 22214201. The next prime is 22214233. The reversal of 22214210 is 1241222.

It can be written as a sum of positive squares in 4 ways, for example, as 4481689 + 17732521 = 2117^2 + 4211^2 .

It is a super-2 number, since 2×222142102 = 986942251848200, which contains 22 as substring.

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, 26681 + ... + 27500.

Almost surely, 222214210 is an apocalyptic number.

22214210 is a deficient number, since it is larger than the sum of its proper divisors (18747382).

22214210 is a wasteful number, since it uses less digits than its factorization.

22214210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54229.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 22214210 is about 4713.1953067956. The cubic root of 22214210 is about 281.1104288559.

Adding to 22214210 its reverse (1241222), we get a palindrome (23455432).

The spelling of 22214210 in words is "twenty-two million, two hundred fourteen thousand, two hundred ten".

Divisors: 1 2 5 10 41 82 205 410 54181 108362 270905 541810 2221421 4442842 11107105 22214210