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10022412221 = 193331156887
BaseRepresentation
bin10010101010110000…
…11101111110111101
3221212110221021220122
421111120131332331
5131011214142341
64334303024325
7503236045463
oct112530357675
927773837818
1010022412221
114283432708
121b3859b0a5
13c39536843
146b1118833
153d9d3894b
hex25561dfbd

10022412221 has 8 divisors (see below), whose sum is σ = 10104842304. Its totient is φ = 9940296960.

The previous prime is 10022412199. The next prime is 10022412223. The reversal of 10022412221 is 12221422001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10022412221 - 214 = 10022395837 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10022412221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10022412223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14561 + ... + 142326.

It is an arithmetic number, because the mean of its divisors is an integer number (1263105288).

Almost surely, 210022412221 is an apocalyptic number.

It is an amenable number.

10022412221 is a deficient number, since it is larger than the sum of its proper divisors (82430083).

10022412221 is a wasteful number, since it uses less digits than its factorization.

10022412221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157411.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 10022412221 its reverse (12221422001), we get a palindrome (22243834222).

The spelling of 10022412221 in words is "ten billion, twenty-two million, four hundred twelve thousand, two hundred twenty-one".

Divisors: 1 193 331 63883 156887 30279191 51929597 10022412221