1220444325 has 36 divisors (see below), whose sum is σ = 2201734080. Its totient is φ = 646204320.

The previous prime is 1220444317. The next prime is 1220444341. The reversal of 1220444325 is 5234440221.

1220444325 is a `hidden beast` number, since 1 + 220 + 4 + 4 + 432 + 5 = 666.

It is not a de Polignac number, because 1220444325 - 2³ = 1220444317 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 11764 + ... + 50786.

It is an arithmetic number, because the mean of its divisors is an integer number (61159280).

Almost surely, 2^1220444325 is an apocalyptic number.

1220444325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1220444325 is a deficient number, since it is larger than the sum of its proper divisors (981289755).

1220444325 is a wasteful number, since it uses less digits than its factorization.

1220444325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39178 (or 39170 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 1220444325 is about 34934.8583079995. The cubic root of 1220444325 is about 1068.6594342052.

Adding to 1220444325 its reverse (5234440221), we get a palindrome (6454884546).

The spelling of 1220444325 in words is "one billion, two hundred twenty million, four hundred forty-four thousand, three hundred twenty-five".