222201019 has 2 divisors, whose sum is σ = 222201020. Its totient is φ = 222201018.

The previous prime is 222200989. The next prime is 222201047. The reversal of 222201019 is 910102222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222201019 - 2⁹ = 222200507 is a prime.

It is a super-2 number, since 2×222201019² = 98746585689276722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222200987 and 222201005.

It is not a weakly prime, because it can be changed into another prime (222201319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111100509 + 111100510.

It is an arithmetic number, because the mean of its divisors is an integer number (111100510).

Almost surely, 2^222201019 is an apocalyptic number.

222201019 is a deficient number, since it is larger than the sum of its proper divisors (1).

222201019 is an equidigital number, since it uses as much as digits as its factorization.

222201019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 222201019 is about 14906.4086553402. The cubic root of 222201019 is about 605.6875992588.

The spelling of 222201019 in words is "two hundred twenty-two million, two hundred one thousand, nineteen".