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2252203221 = 313131118427
BaseRepresentation
bin1000011000111101…
…1110010011010101
312210221220210000010
42012033132103111
514103031000341
61011252310433
7106545261102
oct20617362325
95727823003
102252203221
11a56345684
1252a312419
1329b7ab838
14175189aa9
15d2ace716
hex863de4d5

2252203221 has 16 divisors (see below), whose sum is σ = 3035755008. Its totient is φ = 1485135600.

The previous prime is 2252203211. The next prime is 2252203229. The reversal of 2252203221 is 1223022522.

It is not a de Polignac number, because 2252203221 - 229 = 1715332309 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2252203229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113010 + ... + 131436.

It is an arithmetic number, because the mean of its divisors is an integer number (189734688).

Almost surely, 22252203221 is an apocalyptic number.

It is an amenable number.

2252203221 is a deficient number, since it is larger than the sum of its proper divisors (783551787).

2252203221 is a wasteful number, since it uses less digits than its factorization.

2252203221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18872.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 2252203221 is about 47457.3832085167. The cubic root of 2252203221 is about 1310.7982666470.

Adding to 2252203221 its reverse (1223022522), we get a palindrome (3475225743).

The spelling of 2252203221 in words is "two billion, two hundred fifty-two million, two hundred three thousand, two hundred twenty-one".

Divisors: 1 3 131 311 393 933 18427 40741 55281 122223 2413937 5730797 7241811 17192391 750734407 2252203221