1321023022 has 16 divisors (see below), whose sum is σ = 2236215600. Its totient is φ = 579759040.

The previous prime is 1321023017. The next prime is 1321023037. The reversal of 1321023022 is 2203201231.

It is a junction number, because it is equal to n+sod(n) for n = 1321022987 and 1321023005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1034647 + ... + 1035922.

It is an arithmetic number, because the mean of its divisors is an integer number (139763475).

Almost surely, 2^1321023022 is an apocalyptic number.

1321023022 is a deficient number, since it is larger than the sum of its proper divisors (915192578).

1321023022 is a wasteful number, since it uses less digits than its factorization.

1321023022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2070611.

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

The square root of 1321023022 is about 36345.8803992970. The cubic root of 1321023022 is about 1097.2446250741.

Adding to 1321023022 its reverse (2203201231), we get a palindrome (3524224253).

The spelling of 1321023022 in words is "one billion, three hundred twenty-one million, twenty-three thousand, twenty-two".