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2225868578 = 23571311659
BaseRepresentation
bin1000010010101100…
…0000111100100010
312202010100211122222
42010223000330202
514024310243303
61004512031042
7106105366523
oct20453007442
95663324588
102225868578
11a4249900a
12521532482
132961baccb
1417189284a
15d062b938
hex84ac0f22

2225868578 has 8 divisors (see below), whose sum is σ = 3339748560. Its totient is φ = 1112619060.

The previous prime is 2225868511. The next prime is 2225868587. The reversal of 2225868578 is 8758685222.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148688 + ... + 162971.

It is an arithmetic number, because the mean of its divisors is an integer number (417468570).

Almost surely, 22225868578 is an apocalyptic number.

2225868578 is a deficient number, since it is larger than the sum of its proper divisors (1113879982).

2225868578 is a wasteful number, since it uses less digits than its factorization.

2225868578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315232.

The product of its digits is 4300800, while the sum is 53.

The square root of 2225868578 is about 47179.1116703144. Note that the first 3 decimals coincide. The cubic root of 2225868578 is about 1305.6692403693.

The spelling of 2225868578 in words is "two billion, two hundred twenty-five million, eight hundred sixty-eight thousand, five hundred seventy-eight".

Divisors: 1 2 3571 7142 311659 623318 1112934289 2225868578