1222513514 has 4 divisors (see below), whose sum is σ = 1833770274. Its totient is φ = 611256756.

The previous prime is 1222513459. The next prime is 1222513517. The reversal of 1222513514 is 4153152221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 897901225 + 324612289 = 29965^2 + 18017^2 .

It is not an unprimeable number, because it can be changed into a prime (1222513517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305628377 + ... + 305628380.

Almost surely, 2^1222513514 is an apocalyptic number.

1222513514 is a deficient number, since it is larger than the sum of its proper divisors (611256760).

1222513514 is an equidigital number, since it uses as much as digits as its factorization.

1222513514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611256759.

The product of its digits is 2400, while the sum is 26.

The square root of 1222513514 is about 34964.4607280021. The cubic root of 1222513514 is about 1069.2630421951.

Adding to 1222513514 its reverse (4153152221), we get a palindrome (5375665735).

The spelling of 1222513514 in words is "one billion, two hundred twenty-two million, five hundred thirteen thousand, five hundred fourteen".