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23221030222 = 2131223972973
BaseRepresentation
bin10101101000000101…
…001100110101001110
32012221022110120001101
4111220011030311032
5340024040431342
614400111133314
71451303333365
oct255005146516
965838416041
1023221030222
119936736775
12460081423a
132260aca790
1411a3dc67dc
1590d9203b7
hex56814cd4e

23221030222 has 16 divisors (see below), whose sum is σ = 37514473920. Its totient is φ = 10716376032.

The previous prime is 23221030193. The next prime is 23221030241. The reversal of 23221030222 is 22203012232.

It is a self number, because there is not a number n which added to its sum of digits gives 23221030222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281728 + ... + 354700.

It is an arithmetic number, because the mean of its divisors is an integer number (2344654620).

Almost surely, 223221030222 is an apocalyptic number.

23221030222 is a deficient number, since it is larger than the sum of its proper divisors (14293443698).

23221030222 is a wasteful number, since it uses less digits than its factorization.

23221030222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85227.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 23221030222 its reverse (22203012232), we get a palindrome (45424042454).

The spelling of 23221030222 in words is "twenty-three billion, two hundred twenty-one million, thirty thousand, two hundred twenty-two".

Divisors: 1 2 13 26 12239 24478 72973 145946 159107 318214 948649 1897298 893116547 1786233094 11610515111 23221030222