1222514152221 has 16 divisors (see below), whose sum is σ = 1746859238784. Its totient is φ = 758504666304.

The previous prime is 1222514152219. The next prime is 1222514152229.

It is a happy number.

1222514152221 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1222514152221 - 2¹ = 1222514152219 is a prime.

It is a super-3 number, since 3×1222514152221³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222514152229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239424426 + ... + 239429531.

It is an arithmetic number, because the mean of its divisors is an integer number (109178702424).

Almost surely, 2^{1222514152221} is an apocalyptic number.

It is an amenable number.

1222514152221 is a deficient number, since it is larger than the sum of its proper divisors (524345086563).

1222514152221 is a wasteful number, since it uses less digits than its factorization.

1222514152221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478854020.

The product of its digits is 6400, while the sum is 30.

The spelling of 1222514152221 in words is "one trillion, two hundred twenty-two billion, five hundred fourteen million, one hundred fifty-two thousand, two hundred twenty-one".