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10222323221 = 1143101213977
BaseRepresentation
bin10011000010100110…
…00100011000010101
3222101102002211020202
421201103010120111
5131413403320341
64410203510245
7511214212415
oct114123043025
928342084222
1010222323221
114376264810
121b93528385
13c6ba8c486
146cd8b6645
153ec67679b
hex2614c4615

10222323221 has 16 divisors (see below), whose sum is σ = 11523999168. Its totient is φ = 8986992000.

The previous prime is 10222323211. The next prime is 10222323269. The reversal of 10222323221 is 12232322201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10222323221 - 210 = 10222322197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10222323193 and 10222323202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10222323211) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 59216 + ... + 154761.

It is an arithmetic number, because the mean of its divisors is an integer number (720249948).

Almost surely, 210222323221 is an apocalyptic number.

10222323221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10222323221 is a deficient number, since it is larger than the sum of its proper divisors (1301675947).

10222323221 is a wasteful number, since it uses less digits than its factorization.

10222323221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214132.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 10222323221 its reverse (12232322201), we get a palindrome (22454645422).

The spelling of 10222323221 in words is "ten billion, two hundred twenty-two million, three hundred twenty-three thousand, two hundred twenty-one".

Divisors: 1 11 43 101 473 1111 4343 47773 213977 2353747 9201011 21611677 101211121 237728447 929302111 10222323221