12221343022 has 16 divisors (see below), whose sum is σ = 20954056320. Its totient is φ = 5236922808.

The previous prime is 12221343011. The next prime is 12221343041. The reversal of 12221343022 is 22034312221.

It is a super-2 number, since 2×12221343022² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12221342984 and 12221343002.

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, 34429 + ... + 160087.

It is an arithmetic number, because the mean of its divisors is an integer number (1309628520).

Almost surely, 2^12221343022 is an apocalyptic number.

12221343022 is a deficient number, since it is larger than the sum of its proper divisors (8732713298).

12221343022 is a wasteful number, since it uses less digits than its factorization.

12221343022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132615.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 12221343022 its reverse (22034312221), we get a palindrome (34255655243).

The spelling of 12221343022 in words is "twelve billion, two hundred twenty-one million, three hundred forty-three thousand, twenty-two".