1220614288 has 20 divisors (see below), whose sum is σ = 2366358588. Its totient is φ = 609941120.

The previous prime is 1220614279. The next prime is 1220614309. The reversal of 1220614288 is 8824160221.

It can be written as a sum of positive squares in 2 ways, for example, as 521117584 + 699496704 = 22828^2 + 26448^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5718 + ... + 49738.

Almost surely, 2^1220614288 is an apocalyptic number.

It is an amenable number.

1220614288 is a deficient number, since it is larger than the sum of its proper divisors (1145744300).

1220614288 is a wasteful number, since it uses less digits than its factorization.

1220614288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45762 (or 45756 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 1220614288 is about 34937.2907936491. The cubic root of 1220614288 is about 1068.7090402186.

The spelling of 1220614288 in words is "one billion, two hundred twenty million, six hundred fourteen thousand, two hundred eighty-eight".