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2228461 = 9832267
BaseRepresentation
bin1000100000000011101101
311012012212121
420200003231
51032302321
6115432541
724640654
oct10400355
94165777
102228461
111292304
128b5751
13600421
1442019b
152e0441
hex2200ed

2228461 has 4 divisors (see below), whose sum is σ = 2231712. Its totient is φ = 2225212.

The previous prime is 2228449. The next prime is 2228483. The reversal of 2228461 is 1648222.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2228461 - 27 = 2228333 is a prime.

It is a d-powerful number, because it can be written as 27 + 217 + 221 + 8 + 43 + 62 + 1 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2228431) 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, 151 + ... + 2116.

It is an arithmetic number, because the mean of its divisors is an integer number (557928).

22228461 is an apocalyptic number.

It is an amenable number.

2228461 is a deficient number, since it is larger than the sum of its proper divisors (3251).

2228461 is an equidigital number, since it uses as much as digits as its factorization.

2228461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3250.

The product of its digits is 1536, while the sum is 25.

The square root of 2228461 is about 1492.8030680569. The cubic root of 2228461 is about 130.6175938812.

The spelling of 2228461 in words is "two million, two hundred twenty-eight thousand, four hundred sixty-one".

Divisors: 1 983 2267 2228461