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220220022 = 23116749801
BaseRepresentation
bin11010010000001…
…00101001110110
3120100101100002010
431020010221312
5422334020042
633504025050
75312560611
oct1510045166
9510340063
10220220022
11103343620
1261902186
1336816909
1421367178
151450059c
hexd204a76

220220022 has 32 divisors (see below), whose sum is σ = 487661184. Its totient is φ = 65736000.

The previous prime is 220219991. The next prime is 220220053. The reversal of 220220022 is 220022022.

It is an interprime number because it is at equal distance from previous prime (220219991) and next prime (220220053).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20479 + ... + 29322.

It is an arithmetic number, because the mean of its divisors is an integer number (15239412).

Almost surely, 2220220022 is an apocalyptic number.

220220022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

220220022 is an abundant number, since it is smaller than the sum of its proper divisors (267441162).

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

220220022 is a wasteful number, since it uses less digits than its factorization.

220220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49884.

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 220220022 is about 14839.8120608045. The cubic root of 220220022 is about 603.8822537752.

Adding to 220220022 its reverse (220022022), we get a palindrome (440242044).

The spelling of 220220022 in words is "two hundred twenty million, two hundred twenty thousand, twenty-two".

Divisors: 1 2 3 6 11 22 33 66 67 134 201 402 737 1474 2211 4422 49801 99602 149403 298806 547811 1095622 1643433 3286866 3336667 6673334 10010001 20020002 36703337 73406674 110110011 220220022