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2225928169 = 10720803067
BaseRepresentation
bin1000010010101100…
…1111011111101001
312202010110212102001
42010223033133221
514024314200134
61004513211001
7106106035333
oct20453173751
95663425361
102225928169
11a42529863
12521560a61
1329620c17a
141718aa453
15d063e414
hex84acf7e9

2225928169 has 4 divisors (see below), whose sum is σ = 2246731344. Its totient is φ = 2205124996.

The previous prime is 2225928151. The next prime is 2225928179. The reversal of 2225928169 is 9618295222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2225928169 - 215 = 2225895401 is a prime.

It is a super-2 number, since 2×22259281692 = 9909512427095385122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2225928179) 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, 10401427 + ... + 10401640.

It is an arithmetic number, because the mean of its divisors is an integer number (561682836).

Almost surely, 22225928169 is an apocalyptic number.

It is an amenable number.

2225928169 is a deficient number, since it is larger than the sum of its proper divisors (20803175).

2225928169 is a wasteful number, since it uses less digits than its factorization.

2225928169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20803174.

The product of its digits is 311040, while the sum is 46.

The square root of 2225928169 is about 47179.7432061685. The cubic root of 2225928169 is about 1305.6808920667.

The spelling of 2225928169 in words is "two billion, two hundred twenty-five million, nine hundred twenty-eight thousand, one hundred sixty-nine".

Divisors: 1 107 20803067 2225928169