1321342022 has 96 divisors (see below), whose sum is σ = 2775124800. Its totient is φ = 458599680.

The previous prime is 1321342013. The next prime is 1321342031. The reversal of 1321342022 is 2202431231.

It is an interprime number because it is at equal distance from previous prime (1321342013) and next prime (1321342031).

It is a junction number, because it is equal to n+sod(n) for n = 1321341985 and 1321342003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 637604 + ... + 639672.

It is an arithmetic number, because the mean of its divisors is an integer number (28907550).

Almost surely, 2^1321342022 is an apocalyptic number.

1321342022 is an abundant number, since it is smaller than the sum of its proper divisors (1453782778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1321342022 is a wasteful number, since it uses less digits than its factorization.

1321342022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2142 (or 2131 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1321342022 is about 36350.2685272062. The cubic root of 1321342022 is about 1097.3329386661.

Adding to 1321342022 its reverse (2202431231), we get a palindrome (3523773253).

It can be divided in two parts, 1321 and 342022, that added together give a palindrome (343343).

The spelling of 1321342022 in words is "one billion, three hundred twenty-one million, three hundred forty-two thousand, twenty-two".