1322201023 has 32 divisors (see below), whose sum is σ = 1658764800. Its totient is φ = 1036506240.

The previous prime is 1322201021. The next prime is 1322201063. The reversal of 1322201023 is 3201022231.

It is not a de Polignac number, because 1322201023 - 2¹ = 1322201021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1322200988 and 1322201006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322201021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 136753 + ... + 146101.

It is an arithmetic number, because the mean of its divisors is an integer number (51836400).

Almost surely, 2^1322201023 is an apocalyptic number.

1322201023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1322201023 is a deficient number, since it is larger than the sum of its proper divisors (336563777).

1322201023 is a wasteful number, since it uses less digits than its factorization.

1322201023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9439.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1322201023 is about 36362.0822148567. The cubic root of 1322201023 is about 1097.5706782488.

Adding to 1322201023 its reverse (3201022231), we get a palindrome (4523223254).

The spelling of 1322201023 in words is "one billion, three hundred twenty-two million, two hundred one thousand, twenty-three".