1224214522 has 8 divisors (see below), whose sum is σ = 1841584500. Its totient is φ = 610353024.

The previous prime is 1224214513. The next prime is 1224214529. The reversal of 1224214522 is 2254124221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1169024481 + 55190041 = 34191^2 + 7429^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1224214529) 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, 876247 + ... + 877642.

Almost surely, 2^1224214522 is an apocalyptic number.

1224214522 is a deficient number, since it is larger than the sum of its proper divisors (617369978).

1224214522 is a wasteful number, since it uses less digits than its factorization.

1224214522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1754240.

The product of its digits is 2560, while the sum is 25.

The square root of 1224214522 is about 34988.7770863744. Note that the first 3 decimals coincide. The cubic root of 1224214522 is about 1069.7587373475.

Adding to 1224214522 its reverse (2254124221), we get a palindrome (3478338743).

The spelling of 1224214522 in words is "one billion, two hundred twenty-four million, two hundred fourteen thousand, five hundred twenty-two".