1213322022 has 24 divisors (see below), whose sum is σ = 2867852520. Its totient is φ = 367673280.

The previous prime is 1213322021. The next prime is 1213322029. The reversal of 1213322022 is 2202233121.

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 = 1213321986 and 1213322004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213322021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3063747 + ... + 3064142.

It is an arithmetic number, because the mean of its divisors is an integer number (119493855).

Almost surely, 2^1213322022 is an apocalyptic number.

1213322022 is an abundant number, since it is smaller than the sum of its proper divisors (1654530498).

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

1213322022 is a wasteful number, since it uses less digits than its factorization.

1213322022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6127908 (or 6127905 counting only the distinct ones).

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

The square root of 1213322022 is about 34832.7722410950. The cubic root of 1213322022 is about 1066.5765396289.

Adding to 1213322022 its reverse (2202233121), we get a palindrome (3415555143).

The spelling of 1213322022 in words is "one billion, two hundred thirteen million, three hundred twenty-two thousand, twenty-two".