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2226228 = 223185519
BaseRepresentation
bin1000011111100000110100
311012002210220
420133200310
51032214403
6115414340
724631314
oct10374064
94162726
102226228
111290664
128b43b0
135cc3c4
1441d444
152de953
hex21f834

2226228 has 12 divisors (see below), whose sum is σ = 5194560. Its totient is φ = 742072.

The previous prime is 2226227. The next prime is 2226229. The reversal of 2226228 is 8226222.

2226228 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2226227) and next prime (2226229).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×22262282 = 9912182215968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2226198 and 2226207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2226221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92748 + ... + 92771.

It is an arithmetic number, because the mean of its divisors is an integer number (432880).

22226228 is an apocalyptic number.

It is an amenable number.

2226228 is an abundant number, since it is smaller than the sum of its proper divisors (2968332).

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

2226228 is a wasteful number, since it uses less digits than its factorization.

2226228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185526 (or 185524 counting only the distinct ones).

The product of its digits is 1536, while the sum is 24.

The square root of 2226228 is about 1492.0549587733. The cubic root of 2226228 is about 130.5739514209.

It can be divided in two parts, 2226 and 228, that multiplied together give a triangular number (507528 = T1007).

The spelling of 2226228 in words is "two million, two hundred twenty-six thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 12 185519 371038 556557 742076 1113114 2226228