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302242442221 = 1979201360721
BaseRepresentation
bin1000110010111110000…
…11011010101111101101
31001220010210110220011201
410121133003122233231
514422443031122341
6350503120245501
730556564240636
oct4313703325755
91056123426151
10302242442221
111071a8a85335
124a6b0470891
13226695a05b5
14108b2caa88d
157cde4b1331
hex465f0dabed

302242442221 has 8 divisors (see below), whose sum is σ = 322177155200. Its totient is φ = 282710450880.

The previous prime is 302242442197. The next prime is 302242442251. The reversal of 302242442221 is 122244242203.

It is a happy number.

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 302242442221 - 25 = 302242442189 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 302242442221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302242442251) 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 7 ways as a sum of consecutive naturals, for example, 100678860 + ... + 100681861.

It is an arithmetic number, because the mean of its divisors is an integer number (40272144400).

Almost surely, 2302242442221 is an apocalyptic number.

It is an amenable number.

302242442221 is a deficient number, since it is larger than the sum of its proper divisors (19934712979).

302242442221 is a wasteful number, since it uses less digits than its factorization.

302242442221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201360819.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 302242442221 its reverse (122244242203), we get a palindrome (424486684424).

The spelling of 302242442221 in words is "three hundred two billion, two hundred forty-two million, four hundred forty-two thousand, two hundred twenty-one".

Divisors: 1 19 79 1501 201360721 3825853699 15907496959 302242442221