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2222502145 = 52915327601
BaseRepresentation
bin1000010001111000…
…1011000100000001
312201220000210210021
42010132023010001
514022430032040
61004311533441
7106034646043
oct20436130401
95656023707
102222502145
11a405a9836
1252038a281
132955ac936
14171257a93
15d01b424a
hex8478b101

2222502145 has 8 divisors (see below), whose sum is σ = 2758968360. Its totient is φ = 1716691200.

The previous prime is 2222502133. The next prime is 2222502151. The reversal of 2222502145 is 5412052222.

It can be written as a sum of positive squares in 4 ways, for example, as 640292416 + 1582209729 = 25304^2 + 39777^2 .

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

It is not a de Polignac number, because 2222502145 - 27 = 2222502017 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7663656 + ... + 7663945.

It is an arithmetic number, because the mean of its divisors is an integer number (344871045).

Almost surely, 22222502145 is an apocalyptic number.

It is an amenable number.

2222502145 is a deficient number, since it is larger than the sum of its proper divisors (536466215).

2222502145 is a wasteful number, since it uses less digits than its factorization.

2222502145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15327635.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 2222502145 is about 47143.4210150261. The cubic root of 2222502145 is about 1305.0106711203.

Adding to 2222502145 its reverse (5412052222), we get a palindrome (7634554367).

The spelling of 2222502145 in words is "two billion, two hundred twenty-two million, five hundred two thousand, one hundred forty-five".

Divisors: 1 5 29 145 15327601 76638005 444500429 2222502145