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22007330 = 2517312721
BaseRepresentation
bin101001111110…
…0111000100010
31112102002101022
41103330320202
521113213310
62103405442
7355026212
oct123747042
945362338
1022007330
1111471484
127453882
134736cb7
142ccc242
151deaa55
hex14fce22

22007330 has 16 divisors (see below), whose sum is σ = 39845304. Its totient is φ = 8751360.

The previous prime is 22007329. The next prime is 22007347. The reversal of 22007330 is 3370022.

It can be written as a sum of positive squares in 4 ways, for example, as 22005481 + 1849 = 4691^2 + 43^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22007299 and 22007308.

It is an unprimeable number.

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, 4631 + ... + 8090.

Almost surely, 222007330 is an apocalyptic number.

22007330 is a deficient number, since it is larger than the sum of its proper divisors (17837974).

22007330 is a wasteful number, since it uses less digits than its factorization.

22007330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12901.

The product of its (nonzero) digits is 252, while the sum is 17.

The square root of 22007330 is about 4691.1970753743. The cubic root of 22007330 is about 280.2350492286.

Adding to 22007330 its reverse (3370022), we get a palindrome (25377352).

The spelling of 22007330 in words is "twenty-two million, seven thousand, three hundred thirty".

Divisors: 1 2 5 10 173 346 865 1730 12721 25442 63605 127210 2200733 4401466 11003665 22007330