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22230204 = 22314912433
BaseRepresentation
bin101010011001…
…1010010111100
31112211102002220
41110303102330
521142331304
62112245340
7356645043
oct124632274
945742086
1022230204
1111603977
127540850
1347b4589
142d4955a
151e41ad9
hex15334bc

22230204 has 24 divisors (see below), whose sum is σ = 52222800. Its totient is φ = 7359744.

The previous prime is 22230149. The next prime is 22230227. The reversal of 22230204 is 40203222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4429 + ... + 8004.

It is an arithmetic number, because the mean of its divisors is an integer number (2175950).

Almost surely, 222230204 is an apocalyptic number.

It is an amenable number.

22230204 is an abundant number, since it is smaller than the sum of its proper divisors (29992596).

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

22230204 is a wasteful number, since it uses less digits than its factorization.

22230204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12589 (or 12587 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 22230204 is about 4714.8917272828. The cubic root of 22230204 is about 281.1778781985.

Adding to 22230204 its reverse (40203222), we get a palindrome (62433426).

The spelling of 22230204 in words is "twenty-two million, two hundred thirty thousand, two hundred four".

Divisors: 1 2 3 4 6 12 149 298 447 596 894 1788 12433 24866 37299 49732 74598 149196 1852517 3705034 5557551 7410068 11115102 22230204