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2022012 = 223256167
BaseRepresentation
bin111101101101001111100
310210201200100
413231221330
51004201022
6111201100
723121036
oct7555174
93721610
102022012
111161193
12816190
1355a475
143a8c56
1529e1ac
hex1eda7c

2022012 has 18 divisors (see below), whose sum is σ = 5111288. Its totient is φ = 673992.

The previous prime is 2022011. The next prime is 2022017. The reversal of 2022012 is 2102202.

Adding to 2022012 its reverse (2102202), we get a palindrome (4124214).

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 2021985 and 2022003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28048 + ... + 28119.

22022012 is an apocalyptic number.

It is an amenable number.

2022012 is an abundant number, since it is smaller than the sum of its proper divisors (3089276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2022012 is a wasteful number, since it uses less digits than its factorization.

2022012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56177 (or 56172 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 2022012 is about 1421.9746833189. The cubic root of 2022012 is about 126.4526425761.

The spelling of 2022012 in words is "two million, twenty-two thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 36 56167 112334 168501 224668 337002 505503 674004 1011006 2022012