1222319 has 4 divisors (see below), whose sum is σ = 1396944. Its totient is φ = 1047696.

The previous prime is 1222307. The next prime is 1222373. The reversal of 1222319 is 9132221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9132221 = 7 ⋅1304603.

It is a cyclic number.

It is not a de Polignac number, because 1222319 - 2⁸ = 1222063 is a prime.

It is a super-2 number, since 2×1222319² = 2988127475522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1222319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87302 + ... + 87315.

It is an arithmetic number, because the mean of its divisors is an integer number (349236).

2^1222319 is an apocalyptic number.

1222319 is a deficient number, since it is larger than the sum of its proper divisors (174625).

1222319 is an equidigital number, since it uses as much as digits as its factorization.

1222319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174624.

The product of its digits is 216, while the sum is 20.

The square root of 1222319 is about 1105.5853653156. The cubic root of 1222319 is about 106.9206329076.

The spelling of 1222319 in words is "one million, two hundred twenty-two thousand, three hundred nineteen".