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2221313342 = 247137172489
BaseRepresentation
bin1000010001100110…
…1000110100111110
312201210210102001112
42010121220310332
514022124011332
61004230242022
7106021565123
oct20431506476
95653712045
102221313342
11a3a967656
1251bab6312
132952847c1
1417102874a
15d002bdb2
hex84668d3e

2221313342 has 16 divisors (see below), whose sum is σ = 3427721280. Its totient is φ = 1079084928.

The previous prime is 2221313333. The next prime is 2221313359. The reversal of 2221313342 is 2433131222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73367 + ... + 99122.

It is an arithmetic number, because the mean of its divisors is an integer number (214232580).

Almost surely, 22221313342 is an apocalyptic number.

2221313342 is a deficient number, since it is larger than the sum of its proper divisors (1206407938).

2221313342 is a wasteful number, since it uses less digits than its factorization.

2221313342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172675.

The product of its digits is 1728, while the sum is 23.

The square root of 2221313342 is about 47130.8109626813. The cubic root of 2221313342 is about 1304.7779488411. Note that the first 3 decimals are identical.

Adding to 2221313342 its reverse (2433131222), we get a palindrome (4654444564).

The spelling of 2221313342 in words is "two billion, two hundred twenty-one million, three hundred thirteen thousand, three hundred forty-two".

Divisors: 1 2 47 94 137 274 6439 12878 172489 344978 8106983 16213966 23630993 47261986 1110656671 2221313342