1220444324 has 24 divisors (see below), whose sum is σ = 2368140096. Its totient is φ = 545652000.

The previous prime is 1220444317. The next prime is 1220444341. The reversal of 1220444324 is 4234440221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1220444293 and 1220444302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224672 + ... + 230039.

It is an arithmetic number, because the mean of its divisors is an integer number (98672504).

Almost surely, 2^1220444324 is an apocalyptic number.

It is an amenable number.

1220444324 is a deficient number, since it is larger than the sum of its proper divisors (1147695772).

1220444324 is a wasteful number, since it uses less digits than its factorization.

1220444324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454787 (or 454785 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 1220444324 is about 34934.8582936871. The cubic root of 1220444324 is about 1068.6594339134.

Adding to 1220444324 its reverse (4234440221), we get a palindrome (5454884545).

It can be divided in two parts, 1220 and 444324, that added together give a palindrome (445544).

The spelling of 1220444324 in words is "one billion, two hundred twenty million, four hundred forty-four thousand, three hundred twenty-four".