220522019 has 2 divisors, whose sum is σ = 220522020. Its totient is φ = 220522018.

The previous prime is 220522009. The next prime is 220522021. The reversal of 220522019 is 910225022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220522019 - 2¹² = 220517923 is a prime.

It is a super-2 number, since 2×220522019² = 97259921727672722, which contains 22 as substring.

Together with 220522021, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 220521985 and 220522003.

It is not a weakly prime, because it can be changed into another prime (220522009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110261009 + 110261010.

It is an arithmetic number, because the mean of its divisors is an integer number (110261010).

Almost surely, 2^220522019 is an apocalyptic number.

220522019 is a deficient number, since it is larger than the sum of its proper divisors (1).

220522019 is an equidigital number, since it uses as much as digits as its factorization.

220522019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 220522019 is about 14849.9838047050. The cubic root of 220522019 is about 604.1581707522.

The spelling of 220522019 in words is "two hundred twenty million, five hundred twenty-two thousand, nineteen".