1220554304 has 28 divisors (see below), whose sum is σ = 2564512524. Its totient is φ = 574377984.

The previous prime is 1220554301. The next prime is 1220554369. The reversal of 1220554304 is 4034550221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1067982400 + 152571904 = 32680^2 + 12352^2 .

It is not an unprimeable number, because it can be changed into a prime (1220554301) 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, 559829 + ... + 562004.

It is an arithmetic number, because the mean of its divisors is an integer number (91589733).

Almost surely, 2^1220554304 is an apocalyptic number.

It is an amenable number.

1220554304 is an abundant number, since it is smaller than the sum of its proper divisors (1343958220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1220554304 is a wasteful number, since it uses less digits than its factorization.

1220554304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121862 (or 1121852 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 1220554304 is about 34936.4323307346. The cubic root of 1220554304 is about 1068.6915335981.

The spelling of 1220554304 in words is "one billion, two hundred twenty million, five hundred fifty-four thousand, three hundred four".