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2226481 = 18112301
BaseRepresentation
bin1000011111100100110001
311012010011021
420133210301
51032221411
6115415441
724632125
oct10374461
94163137
102226481
111290874
128b4581
135cc55a
1441d585
152dea71
hex21f931

2226481 has 4 divisors (see below), whose sum is σ = 2238964. Its totient is φ = 2214000.

The previous prime is 2226479. The next prime is 2226493. The reversal of 2226481 is 1846222.

It is a happy number.

2226481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 291600 + 1934881 = 540^2 + 1391^2 .

It is a cyclic number.

It is not a de Polignac number, because 2226481 - 21 = 2226479 is a prime.

It is a super-2 number, since 2×22264812 = 9914435286722, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2226421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5970 + ... + 6331.

It is an arithmetic number, because the mean of its divisors is an integer number (559741).

22226481 is an apocalyptic number.

It is an amenable number.

2226481 is a deficient number, since it is larger than the sum of its proper divisors (12483).

2226481 is a wasteful number, since it uses less digits than its factorization.

2226481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12482.

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

The square root of 2226481 is about 1492.1397387644. The cubic root of 2226481 is about 130.5788975986.

The spelling of 2226481 in words is "two million, two hundred twenty-six thousand, four hundred eighty-one".

Divisors: 1 181 12301 2226481