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22002122 = 223974931
BaseRepresentation
bin101001111101…
…1100111001010
31112101211020102
41103323213022
521113031442
62103325402
7355005062
oct123734712
945354212
1022002122
111146857a
127450862
13473480c
142cca3a2
151de9232
hex14fb9ca

22002122 has 16 divisors (see below), whose sum is σ = 34800192. Its totient is φ = 10412160.

The previous prime is 22002121. The next prime is 22002163. The reversal of 22002122 is 22120022.

It is not an unprimeable number, because it can be changed into a prime (22002121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1997 + ... + 6927.

It is an arithmetic number, because the mean of its divisors is an integer number (2175012).

Almost surely, 222002122 is an apocalyptic number.

22002122 is a deficient number, since it is larger than the sum of its proper divisors (12798070).

22002122 is a wasteful number, since it uses less digits than its factorization.

22002122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5053.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 22002122 is about 4690.6419603291. The cubic root of 22002122 is about 280.2129417569.

Adding to 22002122 its reverse (22120022), we get a palindrome (44122144).

The spelling of 22002122 in words is "twenty-two million, two thousand, one hundred twenty-two".

Divisors: 1 2 23 46 97 194 2231 4462 4931 9862 113413 226826 478307 956614 11001061 22002122