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223210000221 = 31317617545651
BaseRepresentation
bin1100111111100001011…
…0100100111101011101
3210100010212222212020020
43033320112210331131
512124113230001341
6250312524542353
722061231461065
oct3177026447535
9710125885206
10223210000221
118673225396a
12373146b19b9
1318082a57310
14ab368363a5
155c15e16566
hex33f85a4f5d

223210000221 has 32 divisors (see below), whose sum is σ = 339910639488. Its totient is φ = 129070233600.

The previous prime is 223210000199. The next prime is 223210000241. The reversal of 223210000221 is 122000012322.

It is a happy number.

It is not a de Polignac number, because 223210000221 - 26 = 223210000157 is a prime.

It is a super-3 number, since 3×2232100002213 (a number of 35 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 223210000221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223210000241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 136246 + ... + 681896.

It is an arithmetic number, because the mean of its divisors is an integer number (10622207484).

Almost surely, 2223210000221 is an apocalyptic number.

It is an amenable number.

223210000221 is a deficient number, since it is larger than the sum of its proper divisors (116700639267).

223210000221 is a wasteful number, since it uses less digits than its factorization.

223210000221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546301.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 223210000221 its reverse (122000012322), we get a palindrome (345210012543).

The spelling of 223210000221 in words is "two hundred twenty-three billion, two hundred ten million, two hundred twenty-one", and thus it is an aban number.

Divisors: 1 3 13 17 39 51 221 617 663 1851 8021 10489 24063 31467 136357 409071 545651 1636953 7093463 9276067 21280389 27828201 120588871 336666667 361766613 1010000001 4376666671 5723333339 13130000013 17170000017 74403333407 223210000221