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BaseRepresentation
bin110110010100111000
3102022020111
4312110320
524110040
64434104
71614514
oct662470
9368214
10222520
11142201
12a8934
137a38c
145b144
1545dea
hex36538

222520 has 16 divisors (see below), whose sum is σ = 500760. Its totient is φ = 88992.

The previous prime is 222511. The next prime is 222527. The reversal of 222520 is 25222.

Adding to 222520 its reverse (25222), we get a palindrome (247742).

It can be divided in two parts, 222 and 520, that multiplied together give a triangular number (115440 = T480).

222520 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×2225203 = 33054333801024000, which contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 222520.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2742 + ... + 2821.

2222520 is an apocalyptic number.

222520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222520 is an abundant number, since it is smaller than the sum of its proper divisors (278240).

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

222520 is a wasteful number, since it uses less digits than its factorization.

222520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5574 (or 5570 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 13.

The square root of 222520 is about 471.7202560840. The cubic root of 222520 is about 60.5977292588.

The spelling of 222520 in words is "two hundred twenty-two thousand, five hundred twenty".