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552222 = 232112789
BaseRepresentation
bin10000110110100011110
31001001111200
42012310132
5120132342
615500330
74456656
oct2066436
91031450
10552222
11347990
122276a6
13164478
14105366
15ad94c
hex86d1e

552222 has 24 divisors (see below), whose sum is σ = 1305720. Its totient is φ = 167280.

The previous prime is 552217. The next prime is 552239. The reversal of 552222 is 222255.

552222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is a d-powerful number, because it can be written as 5 + 56 + 24 + 212 + 213 + 219 .

It is a nialpdrome in base 10.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 552195 and 552204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1197 + ... + 1592.

It is an arithmetic number, because the mean of its divisors is an integer number (54405).

2552222 is an apocalyptic number.

552222 is an abundant number, since it is smaller than the sum of its proper divisors (753498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

552222 is a wasteful number, since it uses less digits than its factorization.

552222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2808 (or 2805 counting only the distinct ones).

The product of its digits is 400, while the sum is 18.

The square root of 552222 is about 743.1164107998. The cubic root of 552222 is about 82.0423140723.

Adding to 552222 its reverse (222255), we get a palindrome (774477).

The spelling of 552222 in words is "five hundred fifty-two thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 198 2789 5578 8367 16734 25101 30679 50202 61358 92037 184074 276111 552222