1222522221031 has 16 divisors (see below), whose sum is σ = 1236331976256. Its totient is φ = 1208751388416.

The previous prime is 1222522221007. The next prime is 1222522221079. The reversal of 1222522221031 is 1301222252221.

It is a cyclic number.

It is not a de Polignac number, because 1222522221031 - 2¹³ = 1222522212839 is a prime.

It is a super-2 number, since 2×1222522221031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1222522220987 and 1222522221005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222522221131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 356107291 + ... + 356110723.

It is an arithmetic number, because the mean of its divisors is an integer number (77270748516).

Almost surely, 2^{1222522221031} is an apocalyptic number.

1222522221031 is a deficient number, since it is larger than the sum of its proper divisors (13809755225).

1222522221031 is a wasteful number, since it uses less digits than its factorization.

1222522221031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7962.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 1222522221031 its reverse (1301222252221), we get a palindrome (2523744473252).

The spelling of 1222522221031 in words is "one trillion, two hundred twenty-two billion, five hundred twenty-two million, two hundred twenty-one thousand, thirty-one".