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2228022 = 232413019
BaseRepresentation
bin1000011111111100110110
311012012021100
420133330312
51032244042
6115430530
724636456
oct10377466
94165240
102228022
111291a45
128b5446
13600174
1441dd66
152e024c
hex21ff36

2228022 has 24 divisors (see below), whose sum is σ = 4946760. Its totient is φ = 724320.

The previous prime is 2228011. The next prime is 2228027. The reversal of 2228022 is 2208222.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2227986 and 2228004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2228027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 772 + ... + 2247.

It is an arithmetic number, because the mean of its divisors is an integer number (206115).

22228022 is an apocalyptic number.

2228022 is an abundant number, since it is smaller than the sum of its proper divisors (2718738).

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

2228022 is a wasteful number, since it uses less digits than its factorization.

2228022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3068 (or 3065 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 2228022 is about 1492.6560219957. The cubic root of 2228022 is about 130.6090162291.

The spelling of 2228022 in words is "two million, two hundred twenty-eight thousand, twenty-two".

Divisors: 1 2 3 6 9 18 41 82 123 246 369 738 3019 6038 9057 18114 27171 54342 123779 247558 371337 742674 1114011 2228022