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2220542242 = 21599169431
BaseRepresentation
bin1000010001011010…
…1100100100100010
312201202100020022021
42010112230210202
514021424322432
61004201532054
7106012204042
oct20426544442
95652306267
102220542242
11a3a490286
1251b7a402a
13295074829
14170ca7722
15cee28697
hex845ac922

2220542242 has 8 divisors (see below), whose sum is σ = 3331069632. Its totient is φ = 1110185700.

The previous prime is 2220542221. The next prime is 2220542249. The reversal of 2220542242 is 2422450222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2220542249) 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, 2734 + ... + 66697.

It is an arithmetic number, because the mean of its divisors is an integer number (416383704).

Almost surely, 22220542242 is an apocalyptic number.

2220542242 is a deficient number, since it is larger than the sum of its proper divisors (1110527390).

2220542242 is a wasteful number, since it uses less digits than its factorization.

2220542242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85424.

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 2220542242 is about 47122.6298289898. The cubic root of 2220542242 is about 1304.6269524763.

Adding to 2220542242 its reverse (2422450222), we get a palindrome (4642992464).

The spelling of 2220542242 in words is "two billion, two hundred twenty million, five hundred forty-two thousand, two hundred forty-two".

Divisors: 1 2 15991 31982 69431 138862 1110271121 2220542242