1224220434244 has 6 divisors (see below), whose sum is σ = 2142385759934. Its totient is φ = 612110217120.

The previous prime is 1224220434233. The next prime is 1224220434253. The reversal of 1224220434244 is 4424340224221.

It can be written as a sum of positive squares in only one way, i.e., 759968984644 + 464251449600 = 871762^2 + 681360^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153027554277 + ... + 153027554284.

Almost surely, 2^{1224220434244} is an apocalyptic number.

It is an amenable number.

1224220434244 is a deficient number, since it is larger than the sum of its proper divisors (918165325690).

1224220434244 is a wasteful number, since it uses less digits than its factorization.

1224220434244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306055108565 (or 306055108563 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 34.

Adding to 1224220434244 its reverse (4424340224221), we get a palindrome (5648560658465).

The spelling of 1224220434244 in words is "one trillion, two hundred twenty-four billion, two hundred twenty million, four hundred thirty-four thousand, two hundred forty-four".