1024221305 has 16 divisors (see below), whose sum is σ = 1242986688. Its totient is φ = 810120000.

The previous prime is 1024221301. The next prime is 1024221311. The reversal of 1024221305 is 5031224201.

It is not a de Polignac number, because 1024221305 - 2² = 1024221301 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1024221301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 651170 + ... + 652740.

It is an arithmetic number, because the mean of its divisors is an integer number (77686668).

Almost surely, 2^1024221305 is an apocalyptic number.

It is an amenable number.

1024221305 is a deficient number, since it is larger than the sum of its proper divisors (218765383).

1024221305 is a wasteful number, since it uses less digits than its factorization.

1024221305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2968.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1024221305 is about 32003.4577038169. The cubic root of 1024221305 is about 1008.0094458388.

Adding to 1024221305 its reverse (5031224201), we get a palindrome (6055445506).

The spelling of 1024221305 in words is "one billion, twenty-four million, two hundred twenty-one thousand, three hundred five".