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2221470052 = 22857364781
BaseRepresentation
bin1000010001101000…
…1111000101100100
312201211002101000121
42010122033011210
514022144020202
61004233451324
7106023120034
oct20432170544
95654071017
102221470052
11a3aa6436a
1251bb70b44
1329530ac29
141710698c4
15d005d537
hex8468f164

2221470052 has 12 divisors (see below), whose sum is σ = 3888086076. Its totient is φ = 1110588320.

The previous prime is 2221470049. The next prime is 2221470079. The reversal of 2221470052 is 2500741222.

It can be written as a sum of positive squares in 2 ways, for example, as 803495716 + 1417974336 = 28346^2 + 37656^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2221469999 and 2221470026.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1902 + ... + 66682.

It is an arithmetic number, because the mean of its divisors is an integer number (324007173).

Almost surely, 22221470052 is an apocalyptic number.

It is an amenable number.

2221470052 is a deficient number, since it is larger than the sum of its proper divisors (1666616024).

2221470052 is a wasteful number, since it uses less digits than its factorization.

2221470052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73358 (or 73356 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 2221470052 is about 47132.4734339288. The cubic root of 2221470052 is about 1304.8086314317.

The spelling of 2221470052 in words is "two billion, two hundred twenty-one million, four hundred seventy thousand, fifty-two".

Divisors: 1 2 4 8573 17146 34292 64781 129562 259124 555367513 1110735026 2221470052