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222213221013 = 3767157934059
BaseRepresentation
bin1100111011110011110…
…0001010101010010101
3210020120102101020012210
43032330330022222111
512120043041033023
6250030000304033
722024436133210
oct3167474125225
9706512336183
10222213221013
118627062a9a3
1237096912019
1317c543a7134
14aa802c6777
155ba866e593
hex33bcf0aa95

222213221013 has 16 divisors (see below), whose sum is σ = 343664514560. Its totient is φ = 125083773936.

The previous prime is 222213221003. The next prime is 222213221077. The reversal of 222213221013 is 310122312222.

It is not a de Polignac number, because 222213221013 - 25 = 222213220981 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222213221003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78965623 + ... + 78968436.

It is an arithmetic number, because the mean of its divisors is an integer number (21479032160).

Almost surely, 2222213221013 is an apocalyptic number.

It is an amenable number.

222213221013 is a deficient number, since it is larger than the sum of its proper divisors (121451293547).

222213221013 is a wasteful number, since it uses less digits than its factorization.

222213221013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157934136.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 222213221013 its reverse (310122312222), we get a palindrome (532335533235).

The spelling of 222213221013 in words is "two hundred twenty-two billion, two hundred thirteen million, two hundred twenty-one thousand, thirteen".

Divisors: 1 3 7 21 67 201 469 1407 157934059 473802177 1105538413 3316615239 10581581953 31744745859 74071073671 222213221013