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2228060 = 2251011103
BaseRepresentation
bin1000011111111101011100
311012012022202
420133331130
51032244220
6115431032
724636542
oct10377534
94165282
102228060
111291a7a
128b5478
136001a3
1441dd92
152e0275
hex21ff5c

2228060 has 24 divisors (see below), whose sum is σ = 4729536. Its totient is φ = 881600.

The previous prime is 2228053. The next prime is 2228077. The reversal of 2228060 is 608222.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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, 1469 + ... + 2571.

It is an arithmetic number, because the mean of its divisors is an integer number (197064).

22228060 is an apocalyptic number.

2228060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2228060 is an abundant number, since it is smaller than the sum of its proper divisors (2501476).

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

2228060 is a wasteful number, since it uses less digits than its factorization.

2228060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213 (or 1211 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2228060 is about 1492.6687509290. The cubic root of 2228060 is about 130.6097587583.

It can be divided in two parts, 22 and 28060, that added together give a palindrome (28082).

The spelling of 2228060 in words is "two million, two hundred twenty-eight thousand, sixty".

Divisors: 1 2 4 5 10 20 101 202 404 505 1010 1103 2020 2206 4412 5515 11030 22060 111403 222806 445612 557015 1114030 2228060