1222514 has 4 divisors (see below), whose sum is σ = 1833774. Its totient is φ = 611256.

The previous prime is 1222513. The next prime is 1222523. The reversal of 1222514 is 4152221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4152221 = 953 ⋅4357.

It can be written as a sum of positive squares in only one way, i.e., 667489 + 555025 = 817^2 + 745^2 .

It is an Ulam number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1222492 and 1222501.

It is not an unprimeable number, because it can be changed into a prime (1222513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305627 + ... + 305630.

2^1222514 is an apocalyptic number.

1222514 is a deficient number, since it is larger than the sum of its proper divisors (611260).

1222514 is an equidigital number, since it uses as much as digits as its factorization.

1222514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611259.

The product of its digits is 160, while the sum is 17.

The square root of 1222514 is about 1105.6735503755. The cubic root of 1222514 is about 106.9263183887.

Adding to 1222514 its reverse (4152221), we get a palindrome (5374735).

The spelling of 1222514 in words is "one million, two hundred twenty-two thousand, five hundred fourteen".