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222020131 is a prime number
BaseRepresentation
bin11010011101111…
…00001000100011
3120110202210100211
431032330020203
5423314121011
634010354551
75334066004
oct1516741043
9513683324
10222020131
11104363013
126242ba57
1336cc7078
14216b51ab
1514758b21
hexd3bc223

222020131 has 2 divisors, whose sum is σ = 222020132. Its totient is φ = 222020130.

The previous prime is 222020093. The next prime is 222020159. The reversal of 222020131 is 131020222.

222020131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222020131 - 29 = 222019619 is a prime.

It is a super-2 number, since 2×2220201312 = 98585877138514322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (222020191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111010065 + 111010066.

It is an arithmetic number, because the mean of its divisors is an integer number (111010066).

Almost surely, 2222020131 is an apocalyptic number.

222020131 is a deficient number, since it is larger than the sum of its proper divisors (1).

222020131 is an equidigital number, since it uses as much as digits as its factorization.

222020131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 222020131 is about 14900.3399625646. The cubic root of 222020131 is about 605.5231965289.

Adding to 222020131 its reverse (131020222), we get a palindrome (353040353).

Subtracting from 222020131 its reverse (131020222), we obtain a palindrome (90999909).

The spelling of 222020131 in words is "two hundred twenty-two million, twenty thousand, one hundred thirty-one".