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30221431422 = 23713261223313
BaseRepresentation
bin11100001001010101…
…100111001001111110
32220000011221210011220
4130021111213021332
5443343141301142
621514502054210
72116625633340
oct341125471176
986004853156
1030221431422
11118a9234806
125a3511a366
132b08214200
141669a09290
15bbd2b82ec
hex70956727e

30221431422 has 192 divisors, whose sum is σ = 76611096576. Its totient is φ = 7779732480.

The previous prime is 30221431421. The next prime is 30221431481. The reversal of 30221431422 is 22413412203.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30221431392 and 30221431401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30221431421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 96553938 + ... + 96554250.

It is an arithmetic number, because the mean of its divisors is an integer number (399016128).

Almost surely, 230221431422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30221431422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38305548288).

30221431422 is an abundant number, since it is smaller than the sum of its proper divisors (46389665154).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30221431422 is a wasteful number, since it uses less digits than its factorization.

30221431422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635 (or 622 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 30221431422 its reverse (22413412203), we get a palindrome (52634843625).

The spelling of 30221431422 in words is "thirty billion, two hundred twenty-one million, four hundred thirty-one thousand, four hundred twenty-two".