1022320403 has 16 divisors (see below), whose sum is σ = 1161646080. Its totient is φ = 891899424.

The previous prime is 1022320367. The next prime is 1022320417. The reversal of 1022320403 is 3040232201.

It is not a de Polignac number, because 1022320403 - 2⁸ = 1022320147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022320303) 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, 104750 + ... + 114092.

It is an arithmetic number, because the mean of its divisors is an integer number (72602880).

Almost surely, 2^1022320403 is an apocalyptic number.

1022320403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1022320403 is a deficient number, since it is larger than the sum of its proper divisors (139325677).

1022320403 is a wasteful number, since it uses less digits than its factorization.

1022320403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9818.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 1022320403 is about 31973.7455266035. The cubic root of 1022320403 is about 1007.3854551065.

Adding to 1022320403 its reverse (3040232201), we get a palindrome (4062552604).

The spelling of 1022320403 in words is "one billion, twenty-two million, three hundred twenty thousand, four hundred three".