Base | Representation |
---|---|
bin | 1000011110100110001000 |
3 | 11011220122210 |
4 | 20132212020 |
5 | 1032104342 |
6 | 115345120 |
7 | 24614340 |
oct | 10364610 |
9 | 4156583 |
10 | 2222472 |
11 | 128885a |
12 | 8b21a0 |
13 | 5ca795 |
14 | 41bd20 |
15 | 2dd79c |
hex | 21e988 |
2222472 has 32 divisors (see below), whose sum is σ = 6350400. Its totient is φ = 634944.
The previous prime is 2222443. The next prime is 2222477. The reversal of 2222472 is 2742222.
2222472 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a nude number because it is divisible by every one of its digits.
It is not an unprimeable number, because it can be changed into a prime (2222477) 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, 6447 + ... + 6782.
It is an arithmetic number, because the mean of its divisors is an integer number (198450).
22222472 is an apocalyptic number.
It is an amenable number.
2222472 is an abundant number, since it is smaller than the sum of its proper divisors (4127928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2222472 is a wasteful number, since it uses less digits than its factorization.
2222472 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13245 (or 13241 counting only the distinct ones).
The product of its digits is 896, while the sum is 21.
The square root of 2222472 is about 1490.7957606594. The cubic root of 2222472 is about 130.5004770905.
Adding to 2222472 its reverse (2742222), we get a palindrome (4964694).
The spelling of 2222472 in words is "two million, two hundred twenty-two thousand, four hundred seventy-two".
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