1022040321 has 8 divisors (see below), whose sum is σ = 1362899520. Its totient is φ = 681270672.

The previous prime is 1022040281. The next prime is 1022040347. The reversal of 1022040321 is 1230402201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1022040321 - 2⁷ = 1022040193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1022040321.

It is not an unprimeable number, because it can be changed into a prime (1022047321) 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, 11631 + ... + 46683.

It is an arithmetic number, because the mean of its divisors is an integer number (170362440).

Almost surely, 2^1022040321 is an apocalyptic number.

It is an amenable number.

1022040321 is a deficient number, since it is larger than the sum of its proper divisors (340859199).

1022040321 is an equidigital number, since it uses as much as digits as its factorization.

1022040321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44775.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1022040321 is about 31969.3653518489. The cubic root of 1022040321 is about 1007.2934499312.

Adding to 1022040321 its reverse (1230402201), we get a palindrome (2252442522).

The spelling of 1022040321 in words is "one billion, twenty-two million, forty thousand, three hundred twenty-one".