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3211022225 = 52532423413
BaseRepresentation
bin1011111101100100…
…0100111110010001
322021210002211102002
42333121010332101
523034010202400
61250343203345
7142400144555
oct27731047621
98253084362
103211022225
1113a85a1584
12757446555
133c232a768
14226657865
1513bd78ed5
hexbf644f91

3211022225 has 12 divisors (see below), whose sum is σ = 4056795036. Its totient is φ = 2520348480.

The previous prime is 3211022209. The next prime is 3211022251. The reversal of 3211022225 is 5222201123.

It can be written as a sum of positive squares in 6 ways, for example, as 75134224 + 3135888001 = 8668^2 + 55999^2 .

It is not a de Polignac number, because 3211022225 - 24 = 3211022209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3211022197 and 3211022206.

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, 1210382 + ... + 1213031.

It is an arithmetic number, because the mean of its divisors is an integer number (338066253).

Almost surely, 23211022225 is an apocalyptic number.

It is an amenable number.

3211022225 is a deficient number, since it is larger than the sum of its proper divisors (845772811).

3211022225 is a wasteful number, since it uses less digits than its factorization.

3211022225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2423476 (or 2423471 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 3211022225 is about 56665.8823720235. The cubic root of 3211022225 is about 1475.3025865863.

Adding to 3211022225 its reverse (5222201123), we get a palindrome (8433223348).

The spelling of 3211022225 in words is "three billion, two hundred eleven million, twenty-two thousand, two hundred twenty-five".

Divisors: 1 5 25 53 265 1325 2423413 12117065 60585325 128440889 642204445 3211022225