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4222420031 is a prime number
BaseRepresentation
bin1111101110101101…
…0000010000111111
3101220021020011101002
43323223100100333
532121414420111
61534553040515
7206430656324
oct37353202077
911807204332
104222420031
11187749a735
1299a0b613b
13523a287bb
142c0ad0b4b
1519aa5c63b
hexfbad043f

4222420031 has 2 divisors, whose sum is σ = 4222420032. Its totient is φ = 4222420030.

The previous prime is 4222420021. The next prime is 4222420049. The reversal of 4222420031 is 1300242224.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4222420031 is a prime.

It is a super-2 number, since 2×42224200312 = 35657661836380081922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4222419985 and 4222420012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4222420021) 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 as a sum of consecutive naturals, namely, 2111210015 + 2111210016.

It is an arithmetic number, because the mean of its divisors is an integer number (2111210016).

Almost surely, 24222420031 is an apocalyptic number.

4222420031 is a deficient number, since it is larger than the sum of its proper divisors (1).

4222420031 is an equidigital number, since it uses as much as digits as its factorization.

4222420031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 4222420031 is about 64980.1510539949. The cubic root of 4222420031 is about 1616.2944353253.

Adding to 4222420031 its reverse (1300242224), we get a palindrome (5522662255).

The spelling of 4222420031 in words is "four billion, two hundred twenty-two million, four hundred twenty thousand, thirty-one".