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2198226 = 231033557
BaseRepresentation
bin1000011000101011010010
311010200101210
420120223102
51030320401
6115040550
724453552
oct10305322
94120353
102198226
111271618
128a0156
135bc734
14413162
152d64d6

2198226 has 16 divisors (see below), whose sum is σ = 4440384. Its totient is φ = 725424.

The previous prime is 2198201. The next prime is 2198227. The reversal of 2198226 is 6228912.

It is a junction number, because it is equal to n+sod(n) for n = 2198193 and 2198202.

It is not an unprimeable number, because it can be changed into a prime (2198227) 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, 1161 + ... + 2396.

It is an arithmetic number, because the mean of its divisors is an integer number (277524).

22198226 is an apocalyptic number.

2198226 is an abundant number, since it is smaller than the sum of its proper divisors (2242158).

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

2198226 is a wasteful number, since it uses less digits than its factorization.

2198226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3665.

The product of its digits is 3456, while the sum is 30.

The square root of 2198226 is about 1482.6415615381. The cubic root of 2198226 is about 130.0241769629.

The spelling of 2198226 in words is "two million, one hundred ninety-eight thousand, two hundred twenty-six".