1323212022 has 48 divisors (see below), whose sum is σ = 3292211520. Its totient is φ = 379868400.

The previous prime is 1323211991. The next prime is 1323212069. The reversal of 1323212022 is 2202123231.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1323211986 and 1323212004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 172104 + ... + 179627.

It is an arithmetic number, because the mean of its divisors is an integer number (68587740).

Almost surely, 2^1323212022 is an apocalyptic number.

1323212022 is an abundant number, since it is smaller than the sum of its proper divisors (1968999498).

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

1323212022 is a wasteful number, since it uses less digits than its factorization.

1323212022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351769 (or 351766 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1323212022 is about 36375.9813888230. The cubic root of 1323212022 is about 1097.8503533601.

Adding to 1323212022 its reverse (2202123231), we get a palindrome (3525335253).

The spelling of 1323212022 in words is "one billion, three hundred twenty-three million, two hundred twelve thousand, twenty-two".