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1226223 = 32136247
BaseRepresentation
bin100101011010111101111
32022022001200
410223113233
5303214343
642140543
713264665
oct4532757
92268050
101226223
11768309
124b1753
1333c19b
1423cc35
151934d3
hex12b5ef

1226223 has 6 divisors (see below), whose sum is σ = 1771224. Its totient is φ = 817476.

The previous prime is 1226213. The next prime is 1226237. The reversal of 1226223 is 3226221.

It is not a de Polignac number, because 1226223 - 25 = 1226191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1226196 and 1226205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226213) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 68115 + ... + 68132.

It is an arithmetic number, because the mean of its divisors is an integer number (295204).

21226223 is an apocalyptic number.

1226223 is a deficient number, since it is larger than the sum of its proper divisors (545001).

1226223 is a wasteful number, since it uses less digits than its factorization.

1226223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136253 (or 136250 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 1226223 is about 1107.3495383121. The cubic root of 1226223 is about 107.0343442319.

The spelling of 1226223 in words is "one million, two hundred twenty-six thousand, two hundred twenty-three".

Divisors: 1 3 9 136247 408741 1226223