1222052531421 has 8 divisors (see below), whose sum is σ = 1629465882624. Its totient is φ = 814670433920.

The previous prime is 1222052531419. The next prime is 1222052531429. The reversal of 1222052531421 is 1241352502221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1222052531421 - 2¹ = 1222052531419 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222052531429) 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 7 ways as a sum of consecutive naturals, for example, 7722036 + ... + 7878701.

It is an arithmetic number, because the mean of its divisors is an integer number (203683235328).

Almost surely, 2^{1222052531421} is an apocalyptic number.

It is an amenable number.

1222052531421 is a deficient number, since it is larger than the sum of its proper divisors (407413351203).

1222052531421 is a wasteful number, since it uses less digits than its factorization.

1222052531421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15626851.

The product of its (nonzero) digits is 9600, while the sum is 30.

The spelling of 1222052531421 in words is "one trillion, two hundred twenty-two billion, fifty-two million, five hundred thirty-one thousand, four hundred twenty-one".