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2266888 = 231371307
BaseRepresentation
bin1000101001011100001000
311021011120211
420221130020
51040020023
6120330504
725161001
oct10513410
94234524
102266888
111309168
12913a34
13614a70
144301a8
152eba0d
hex229708

2266888 has 32 divisors (see below), whose sum is σ = 4656960. Its totient is φ = 1028160.

The previous prime is 2266883. The next prime is 2266897. The reversal of 2266888 is 8886622.

It is an Ulam number.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 2266888.

It is not an unprimeable number, because it can be changed into a prime (2266883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7231 + ... + 7537.

It is an arithmetic number, because the mean of its divisors is an integer number (145530).

22266888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2266888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2328480).

2266888 is an abundant number, since it is smaller than the sum of its proper divisors (2390072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2266888 is a wasteful number, since it uses less digits than its factorization.

2266888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397 (or 393 counting only the distinct ones).

The product of its digits is 73728, while the sum is 40.

The square root of 2266888 is about 1505.6188096593. The cubic root of 2266888 is about 131.3640979117.

The spelling of 2266888 in words is "two million, two hundred sixty-six thousand, eight hundred eighty-eight".

Divisors: 1 2 4 8 13 26 52 71 104 142 284 307 568 614 923 1228 1846 2456 3692 3991 7384 7982 15964 21797 31928 43594 87188 174376 283361 566722 1133444 2266888