Search a number
-
+
2225655 = 32549459
BaseRepresentation
bin1000011111010111110111
311012002000200
420133113313
51032210110
6115411543
724626535
oct10372767
94162020
102225655
111290193
128b3bb3
135cc073
1441d155
152de6c0
hex21f5f7

2225655 has 12 divisors (see below), whose sum is σ = 3857880. Its totient is φ = 1186992.

The previous prime is 2225653. The next prime is 2225659. The reversal of 2225655 is 5565222.

2225655 is a `hidden beast` number, since 2 + 2 + 2 + 5 + 655 = 666.

It is not a de Polignac number, because 2225655 - 21 = 2225653 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 22 + 212 + 218 + 55 + 62 + 55 + 59 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2225653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24685 + ... + 24774.

It is an arithmetic number, because the mean of its divisors is an integer number (321490).

22225655 is an apocalyptic number.

2225655 is a deficient number, since it is larger than the sum of its proper divisors (1632225).

2225655 is a wasteful number, since it uses less digits than its factorization.

2225655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49470 (or 49467 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 2225655 is about 1491.8629293605. The cubic root of 2225655 is about 130.5627478223.

The spelling of 2225655 in words is "two million, two hundred twenty-five thousand, six hundred fifty-five".

Divisors: 1 3 5 9 15 45 49459 148377 247295 445131 741885 2225655