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1223224 = 231071429
BaseRepresentation
bin100101010101000111000
32022010221121
410222220320
5303120344
642115024
713253152
oct4525070
92263847
101223224
11766032
124aba74
1333aa02
15192684
hex12aa38

1223224 has 16 divisors (see below), whose sum is σ = 2316600. Its totient is φ = 605472.

The previous prime is 1223207. The next prime is 1223231. The reversal of 1223224 is 4223221.

Adding to 1223224 its reverse (4223221), we get a palindrome (5446445).

It is a junction number, because it is equal to n+sod(n) for n = 1223198 and 1223207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142 + ... + 1570.

21223224 is an apocalyptic number.

It is an amenable number.

1223224 is a deficient number, since it is larger than the sum of its proper divisors (1093376).

1223224 is a wasteful number, since it uses less digits than its factorization.

1223224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1542 (or 1538 counting only the distinct ones).

The product of its digits is 192, while the sum is 16.

The square root of 1223224 is about 1105.9945750319. The cubic root of 1223224 is about 106.9470142646.

The spelling of 1223224 in words is "one million, two hundred twenty-three thousand, two hundred twenty-four".