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2122276 = 221340813
BaseRepresentation
bin1000000110001000100100
310222211012211
420012020210
51020403101
6113253204
724016252
oct10061044
93884184
102122276
11121a552
12864204
13593cb0
143d35d2
152bdc51
hex206224

2122276 has 12 divisors (see below), whose sum is σ = 3999772. Its totient is φ = 979488.

The previous prime is 2122259. The next prime is 2122277. The reversal of 2122276 is 6722212.

It can be written as a sum of positive squares in 2 ways, for example, as 1440000 + 682276 = 1200^2 + 826^2 .

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2122277) 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, 20355 + ... + 20458.

22122276 is an apocalyptic number.

2122276 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2122276 is a deficient number, since it is larger than the sum of its proper divisors (1877496).

2122276 is a wasteful number, since it uses less digits than its factorization.

2122276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40830 (or 40828 counting only the distinct ones).

The product of its digits is 672, while the sum is 22.

The square root of 2122276 is about 1456.8033498039. The cubic root of 2122276 is about 128.5091213680.

Adding to 2122276 its reverse (6722212), we get a palindrome (8844488).

The spelling of 2122276 in words is "two million, one hundred twenty-two thousand, two hundred seventy-six".

Divisors: 1 2 4 13 26 52 40813 81626 163252 530569 1061138 2122276