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22030925 = 527312131
BaseRepresentation
bin101010000001…
…0101001001101
31112110021202012
41110002221031
521114442200
62104111005
7355155050
oct124025115
945407665
1022030925
1111488184
127465465
134744967
142cd6a97
151e02a35
hex1502a4d

22030925 has 36 divisors (see below), whose sum is σ = 32506848. Its totient is φ = 14508000.

The previous prime is 22030919. The next prime is 22030927. The reversal of 22030925 is 52903022.

It is not a de Polignac number, because 22030925 - 24 = 22030909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22030925.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22030927) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 168110 + ... + 168240.

It is an arithmetic number, because the mean of its divisors is an integer number (902968).

Almost surely, 222030925 is an apocalyptic number.

22030925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22030925 is a deficient number, since it is larger than the sum of its proper divisors (10475923).

22030925 is a wasteful number, since it uses less digits than its factorization.

22030925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210 (or 174 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 22030925 is about 4693.7112182153. The cubic root of 22030925 is about 280.3351641197.

Adding to 22030925 its reverse (52903022), we get a palindrome (74933947).

The spelling of 22030925 in words is "twenty-two million, thirty thousand, nine hundred twenty-five".

Divisors: 1 5 7 25 31 35 131 155 175 217 655 775 917 961 1085 3275 4061 4585 4805 5425 6727 20305 22925 24025 28427 33635 101525 125891 142135 168175 629455 710675 881237 3147275 4406185 22030925