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2225912225 = 52194686131
BaseRepresentation
bin1000010010101100…
…1011100110100001
312202010110001112112
42010223023212201
514024313142400
61004513005105
7106105641005
oct20453134641
95663401475
102225912225
11a42518889
12521553795
13296204b34
141718a4705
15d0639835
hex84acb9a1

2225912225 has 12 divisors (see below), whose sum is σ = 2905401840. Its totient is φ = 1687006800.

The previous prime is 2225912203. The next prime is 2225912231. The reversal of 2225912225 is 5222195222.

It is not a de Polignac number, because 2225912225 - 230 = 1152170401 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2225912191 and 2225912200.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2342591 + ... + 2343540.

It is an arithmetic number, because the mean of its divisors is an integer number (242116820).

Almost surely, 22225912225 is an apocalyptic number.

2225912225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2225912225 is a deficient number, since it is larger than the sum of its proper divisors (679489615).

2225912225 is a wasteful number, since it uses less digits than its factorization.

2225912225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4686160 (or 4686155 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

The square root of 2225912225 is about 47179.5742350437. The cubic root of 2225912225 is about 1305.6777745917.

The spelling of 2225912225 in words is "two billion, two hundred twenty-five million, nine hundred twelve thousand, two hundred twenty-five".

Divisors: 1 5 19 25 95 475 4686131 23430655 89036489 117153275 445182445 2225912225