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1552223 is a prime number
BaseRepresentation
bin101111010111101011111
32220212020202
411322331133
5344132343
653134115
716123301
oct5727537
92825222
101552223
11970232
1262a33b
1342469a
142c5971
15209db8
hex17af5f

1552223 has 2 divisors, whose sum is σ = 1552224. Its totient is φ = 1552222.

The previous prime is 1552217. The next prime is 1552237. The reversal of 1552223 is 3222551.

It is a weak prime.

It is an emirp because it is prime and its reverse (3222551) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1552223 - 24 = 1552207 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1552195 and 1552204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1552123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 776111 + 776112.

It is an arithmetic number, because the mean of its divisors is an integer number (776112).

21552223 is an apocalyptic number.

1552223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1552223 is an equidigital number, since it uses as much as digits as its factorization.

1552223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 600, while the sum is 20.

The square root of 1552223 is about 1245.8824182081. The cubic root of 1552223 is about 115.7847524427.

Adding to 1552223 its reverse (3222551), we get a palindrome (4774774).

The spelling of 1552223 in words is "one million, five hundred fifty-two thousand, two hundred twenty-three".