Search a number
-
+
2225155244 = 221342791447
BaseRepresentation
bin1000010010100001…
…0010110010101100
312202002000121011012
42010220102302230
514024114431434
61004444444352
7106066336034
oct20450226254
95662017135
102225155244
11a42051084
125212496b8
13295ccb410
141717488c4
15d053a3ce
hex84a12cac

2225155244 has 12 divisors (see below), whose sum is σ = 4193561904. Its totient is φ = 1026994704.

The previous prime is 2225155243. The next prime is 2225155259. The reversal of 2225155244 is 4425515222.

It is a self number, because there is not a number n which added to its sum of digits gives 2225155244.

It is not an unprimeable number, because it can be changed into a prime (2225155241) 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, 21395672 + ... + 21395775.

It is an arithmetic number, because the mean of its divisors is an integer number (349463492).

Almost surely, 22225155244 is an apocalyptic number.

It is an amenable number.

2225155244 is a deficient number, since it is larger than the sum of its proper divisors (1968406660).

2225155244 is a wasteful number, since it uses less digits than its factorization.

2225155244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42791464 (or 42791462 counting only the distinct ones).

The product of its digits is 32000, while the sum is 32.

The square root of 2225155244 is about 47171.5512146887. The cubic root of 2225155244 is about 1305.5297475913.

The spelling of 2225155244 in words is "two billion, two hundred twenty-five million, one hundred fifty-five thousand, two hundred forty-four".

Divisors: 1 2 4 13 26 52 42791447 85582894 171165788 556288811 1112577622 2225155244