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222302131421 = 7315439197243
BaseRepresentation
bin1100111100001000111…
…1010101010011011101
3210020210121200100100212
43033002033111103131
512120233321201141
6250042454102205
722026565640216
oct3170217252335
9706717610325
10222302131421
1186306837677
123710064a965
1317c69937146
14aa8c02c40d
155bb13832eb
hex33c23d54dd

222302131421 has 8 divisors (see below), whose sum is σ = 225363104640. Its totient is φ = 219241583712.

The previous prime is 222302131411. The next prime is 222302131423. The reversal of 222302131421 is 124131203222.

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 222302131421 - 230 = 221228389597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222302131423) 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, 1028426 + ... + 1225668.

It is an arithmetic number, because the mean of its divisors is an integer number (28170388080).

Almost surely, 2222302131421 is an apocalyptic number.

It is an amenable number.

222302131421 is a deficient number, since it is larger than the sum of its proper divisors (3060973219).

222302131421 is a wasteful number, since it uses less digits than its factorization.

222302131421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212755.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 222302131421 its reverse (124131203222), we get a palindrome (346433334643).

The spelling of 222302131421 in words is "two hundred twenty-two billion, three hundred two million, one hundred thirty-one thousand, four hundred twenty-one".

Divisors: 1 73 15439 197243 1127047 14398739 3045234677 222302131421