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2262220 = 225113111
BaseRepresentation
bin1000101000010011001100
311020221011221
420220103030
51034342340
6120253124
725141252
oct10502314
94227157
102262220
111305704
129111a4
136128bc
1442c5d2
152ea44a
hex2284cc

2262220 has 12 divisors (see below), whose sum is σ = 4750704. Its totient is φ = 904880.

The previous prime is 2262209. The next prime is 2262223. The reversal of 2262220 is 222622.

It is a junction number, because it is equal to n+sod(n) for n = 2262194 and 2262203.

It is not an unprimeable number, because it can be changed into a prime (2262223) 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, 56536 + ... + 56575.

It is an arithmetic number, because the mean of its divisors is an integer number (395892).

22262220 is an apocalyptic number.

2262220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2262220 is an abundant number, since it is smaller than the sum of its proper divisors (2488484).

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

2262220 is a wasteful number, since it uses less digits than its factorization.

2262220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113120 (or 113118 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2262220 is about 1504.0678176199. The cubic root of 2262220 is about 131.2738671638.

Adding to 2262220 its reverse (222622), we get a palindrome (2484842).

The spelling of 2262220 in words is "two million, two hundred sixty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 113111 226222 452444 565555 1131110 2262220