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2222220330 = 2325112244667
BaseRepresentation
bin1000010001110100…
…0110010000101010
312201212111111012200
42010131012100222
514022342022310
61004301521030
7106032363321
oct20435062052
95655444180
102222220330
11a40427030
12520273176
13295511595
141711c30b8
15d015a9c0
hex8474642a

2222220330 has 48 divisors (see below), whose sum is σ = 6303027744. Its totient is φ = 538719840.

The previous prime is 2222220317. The next prime is 2222220347. The reversal of 2222220330 is 330222222.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1121344 + ... + 1123323.

It is an arithmetic number, because the mean of its divisors is an integer number (131313078).

Almost surely, 22222220330 is an apocalyptic number.

2222220330 is an abundant number, since it is smaller than the sum of its proper divisors (4080807414).

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

2222220330 is a wasteful number, since it uses less digits than its factorization.

2222220330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2244691 (or 2244688 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 2222220330 is about 47140.4320090514. The cubic root of 2222220330 is about 1304.9555099995.

Adding to 2222220330 its reverse (330222222), we get a palindrome (2552442552).

The spelling of 2222220330 in words is "two billion, two hundred twenty-two million, two hundred twenty thousand, three hundred thirty".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 30 33 45 55 66 90 99 110 165 198 330 495 990 2244667 4489334 6734001 11223335 13468002 20202003 22446670 24691337 33670005 40404006 49382674 67340010 74074011 101010015 123456685 148148022 202020030 222222033 246913370 370370055 444444066 740740110 1111110165 2222220330