1220144282 has 16 divisors (see below), whose sum is σ = 2092136640. Its totient is φ = 522803808.

The previous prime is 1220144269. The next prime is 1220144287. The reversal of 1220144282 is 2824410221.

It is not an unprimeable number, because it can be changed into a prime (1220144287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97253 + ... + 109079.

It is an arithmetic number, because the mean of its divisors is an integer number (130758540).

Almost surely, 2^1220144282 is an apocalyptic number.

1220144282 is a deficient number, since it is larger than the sum of its proper divisors (871992358).

1220144282 is a wasteful number, since it uses less digits than its factorization.

1220144282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19205.

The product of its (nonzero) digits is 2048, while the sum is 26.

The square root of 1220144282 is about 34930.5637229060. The cubic root of 1220144282 is about 1068.5718513318.

The spelling of 1220144282 in words is "one billion, two hundred twenty million, one hundred forty-four thousand, two hundred eighty-two".