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2225755725 = 35241723823
BaseRepresentation
bin1000010010101010…
…0101011001001101
312202010011002212020
42010222211121031
514024243140400
61004505400353
7106104416514
oct20452453115
95663132766
102225755725
11a42421246
125214990b9
1329617b82b
1417186367b
15d06082a0
hex84aa564d

2225755725 has 24 divisors (see below), whose sum is σ = 3769675392. Its totient is φ = 1158115200.

The previous prime is 2225755669. The next prime is 2225755729. The reversal of 2225755725 is 5275575222.

It is not a de Polignac number, because 2225755725 - 228 = 1957320269 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2225755729) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 358837 + ... + 364986.

It is an arithmetic number, because the mean of its divisors is an integer number (157069808).

Almost surely, 22225755725 is an apocalyptic number.

2225755725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2225755725 is a deficient number, since it is larger than the sum of its proper divisors (1543919667).

2225755725 is a wasteful number, since it uses less digits than its factorization.

2225755725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723877 (or 723872 counting only the distinct ones).

The product of its digits is 490000, while the sum is 42.

The square root of 2225755725 is about 47177.9156491679. The cubic root of 2225755725 is about 1305.6471739001.

The spelling of 2225755725 in words is "two billion, two hundred twenty-five million, seven hundred fifty-five thousand, seven hundred twenty-five".

Divisors: 1 3 5 15 25 41 75 123 205 615 1025 3075 723823 2171469 3619115 10857345 18095575 29676743 54286725 89030229 148383715 445151145 741918575 2225755725