[go: up one dir, main page]

Search a number
-
+
2228667 = 37215161
BaseRepresentation
bin1000100000000110111011
311012020011020
420200012323
51032304132
6115433523
724641400
oct10400673
94166136
102228667
111292481
128b58a3
1360054c
144202a7
152e052c
hex2201bb

2228667 has 12 divisors (see below), whose sum is σ = 3456936. Its totient is φ = 1273440.

The previous prime is 2228663. The next prime is 2228687. The reversal of 2228667 is 7668222.

It is not a de Polignac number, because 2228667 - 22 = 2228663 is a prime.

It is a d-powerful number, because it can be written as 22 + 216 + 216 + 87 + 63 + 63 + 7 .

It is not an unprimeable number, because it can be changed into a prime (2228663) 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, 7434 + ... + 7727.

It is an arithmetic number, because the mean of its divisors is an integer number (288078).

22228667 is an apocalyptic number.

2228667 is a deficient number, since it is larger than the sum of its proper divisors (1228269).

2228667 is a wasteful number, since it uses less digits than its factorization.

2228667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15178 (or 15171 counting only the distinct ones).

The product of its digits is 16128, while the sum is 33.

The square root of 2228667 is about 1492.8720641770. The cubic root of 2228667 is about 130.6216185415.

The spelling of 2228667 in words is "two million, two hundred twenty-eight thousand, six hundred sixty-seven".

Divisors: 1 3 7 21 49 147 15161 45483 106127 318381 742889 2228667