Search a number
-
+
2228855278 = 213172296627
BaseRepresentation
bin1000010011011001…
…1010000111101110
312202022222120122111
42010312122013232
514031041332103
61005100034234
7106142646226
oct20466320756
95668876574
102228855278
11a44148a61
1252253297a
132969c55a0
1417202d086
15d0a1b86d
hex84d9a1ee

2228855278 has 24 divisors (see below), whose sum is σ = 3824721432. Its totient is φ = 968187264.

The previous prime is 2228855231. The next prime is 2228855297. The reversal of 2228855278 is 8725588222.

2228855278 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 140800 + ... + 155827.

It is an arithmetic number, because the mean of its divisors is an integer number (159363393).

Almost surely, 22228855278 is an apocalyptic number.

2228855278 is a deficient number, since it is larger than the sum of its proper divisors (1595866154).

2228855278 is a wasteful number, since it uses less digits than its factorization.

2228855278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296676 (or 296659 counting only the distinct ones).

The product of its digits is 1433600, while the sum is 49.

The square root of 2228855278 is about 47210.7538385059. The cubic root of 2228855278 is about 1306.2529674681.

The spelling of 2228855278 in words is "two billion, two hundred twenty-eight million, eight hundred fifty-five thousand, two hundred seventy-eight".

Divisors: 1 2 13 17 26 34 221 289 442 578 3757 7514 296627 593254 3856151 5042659 7712302 10085318 65554567 85725203 131109134 171450406 1114427639 2228855278