1222219 has 2 divisors, whose sum is σ = 1222220. Its totient is φ = 1222218.

The previous prime is 1222187. The next prime is 1222229. The reversal of 1222219 is 9122221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1222219 - 2⁵ = 1222187 is a prime.

It is a super-2 number, since 2×1222219² = 2987638567922, which contains 22 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1222196 and 1222205.

It is not a weakly prime, because it can be changed into another prime (1222229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611109 + 611110.

It is an arithmetic number, because the mean of its divisors is an integer number (611110).

2^1222219 is an apocalyptic number.

1222219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222219 is an equidigital number, since it uses as much as digits as its factorization.

1222219 is an evil number, because the sum of its binary digits is even.

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

The square root of 1222219 is about 1105.5401394793. The cubic root of 1222219 is about 106.9177170417.

It can be divided in two parts, 1222 and 219, that added together give a palindrome (1441).

The spelling of 1222219 in words is "one million, two hundred twenty-two thousand, two hundred nineteen".