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221214220333 = 476217757067
BaseRepresentation
bin1100111000000101100…
…1010010000000101101
3210010222210120201220121
43032001121102000231
512111021320022313
6245342512244541
721660615563611
oct3160131220055
9703883521817
10221214220333
11858a87299a7
1236a58240751
1317b25429a82
14a9c7759341
155b4aad928d
hex338165202d

221214220333 has 8 divisors (see below), whose sum is σ = 225957543552. Its totient is φ = 216472423776.

The previous prime is 221214220301. The next prime is 221214220373. The reversal of 221214220333 is 333022412122.

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 221214220333 - 25 = 221214220301 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221214220298 and 221214220307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221214220373) 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, 86335 + ... + 670732.

It is an arithmetic number, because the mean of its divisors is an integer number (28244692944).

Almost surely, 2221214220333 is an apocalyptic number.

It is an amenable number.

221214220333 is a deficient number, since it is larger than the sum of its proper divisors (4743323219).

221214220333 is an equidigital number, since it uses as much as digits as its factorization.

221214220333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763331.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 221214220333 its reverse (333022412122), we get a palindrome (554236632455).

The spelling of 221214220333 in words is "two hundred twenty-one billion, two hundred fourteen million, two hundred twenty thousand, three hundred thirty-three".

Divisors: 1 47 6217 292199 757067 35582149 4706685539 221214220333