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222431032025 = 5253167872477
BaseRepresentation
bin1100111100100111101…
…1000011001011011001
3210021010121020011202022
43033021323003023121
512121014321011100
6250103340544225
722033022401556
oct3171173031331
9707117204668
10222431032025
11863725785a4
1237137852075
1317c8a5593a7
14aaa11c3a2d
155bbc845e85
hex33c9ec32d9

222431032025 has 12 divisors (see below), whose sum is σ = 281018528172. Its totient is φ = 174587375040.

The previous prime is 222431032013. The next prime is 222431032039. The reversal of 222431032025 is 520230134222.

It can be written as a sum of positive squares in 6 ways, for example, as 21415102921 + 201015929104 = 146339^2 + 448348^2 .

It is not a de Polignac number, because 222431032025 - 24 = 222431032009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 222431031985 and 222431032003.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83934914 + ... + 83937563.

It is an arithmetic number, because the mean of its divisors is an integer number (23418210681).

Almost surely, 2222431032025 is an apocalyptic number.

222431032025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

222431032025 is a deficient number, since it is larger than the sum of its proper divisors (58587496147).

222431032025 is a wasteful number, since it uses less digits than its factorization.

222431032025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167872540 (or 167872535 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 222431032025 its reverse (520230134222), we get a palindrome (742661166247).

The spelling of 222431032025 in words is "two hundred twenty-two billion, four hundred thirty-one million, thirty-two thousand, twenty-five".

Divisors: 1 5 25 53 265 1325 167872477 839362385 4196811925 8897241281 44486206405 222431032025