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22230546 = 2313285007
BaseRepresentation
bin101010011001…
…1011000010010
31112211102120120
41110303120102
521142334141
62112251110
7356646042
oct124633022
945742516
1022230546
1111604158
127540a96
1347b4790
142d49722
151e41c66
hex1533612

22230546 has 16 divisors (see below), whose sum is σ = 47881344. Its totient is φ = 6840144.

The previous prime is 22230529. The next prime is 22230583. The reversal of 22230546 is 64503222.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142426 + ... + 142581.

It is an arithmetic number, because the mean of its divisors is an integer number (2992584).

Almost surely, 222230546 is an apocalyptic number.

22230546 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

22230546 is an abundant number, since it is smaller than the sum of its proper divisors (25650798).

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

22230546 is a wasteful number, since it uses less digits than its factorization.

22230546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285025.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 22230546 is about 4714.9279952084. The cubic root of 22230546 is about 281.1793201157.

Adding to 22230546 its reverse (64503222), we get a palindrome (86733768).

The spelling of 22230546 in words is "twenty-two million, two hundred thirty thousand, five hundred forty-six".

Divisors: 1 2 3 6 13 26 39 78 285007 570014 855021 1710042 3705091 7410182 11115273 22230546