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220022 = 21173137
BaseRepresentation
bin110101101101110110
3102011210222
4311231312
524020042
64414342
71604315
oct655566
9364728
10220022
11140340
12a73b2
13791ba
145a27c
15452d2
hex35b76

220022 has 16 divisors (see below), whose sum is σ = 367632. Its totient is φ = 97920.

The previous prime is 220021. The next prime is 220057.

220022 is nontrivially palindromic 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 = 219991 and 220009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1538 + ... + 1674.

It is an arithmetic number, because the mean of its divisors is an integer number (22977).

2220022 is an apocalyptic number.

220022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

220022 is a deficient number, since it is larger than the sum of its proper divisors (147610).

220022 is a wasteful number, since it uses less digits than its factorization.

220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223.

The product of its (nonzero) digits is 16, while the sum is 8.

The square root of 220022 is about 469.0650274749. The cubic root of 220022 is about 60.3701195712.

It can be divided in two parts, 2200 and 22, that multiplied together give a square (48400 = 2202).

The spelling of 220022 in words is "two hundred twenty thousand, twenty-two", and thus it is an iban number.

Divisors: 1 2 11 22 73 137 146 274 803 1507 1606 3014 10001 20002 110011 220022