222211019 has 2 divisors, whose sum is σ = 222211020. Its totient is φ = 222211018.

The previous prime is 222210991. The next prime is 222211037. The reversal of 222211019 is 910112222.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222211019 is a prime.

It is a super-2 number, since 2×222211019² = 98755473930036722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (222210019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111105509 + 111105510.

It is an arithmetic number, because the mean of its divisors is an integer number (111105510).

Almost surely, 2^222211019 is an apocalyptic number.

222211019 is a deficient number, since it is larger than the sum of its proper divisors (1).

222211019 is an equidigital number, since it uses as much as digits as its factorization.

222211019 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 20.

The square root of 222211019 is about 14906.7440777656. The cubic root of 222211019 is about 605.6966853034.

The spelling of 222211019 in words is "two hundred twenty-two million, two hundred eleven thousand, nineteen".