1222454451151 has 4 divisors (see below), whose sum is σ = 1234322941072. Its totient is φ = 1210585961232.

The previous prime is 1222454451067. The next prime is 1222454451181. The reversal of 1222454451151 is 1511544542221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1222454451151 - 2¹⁷ = 1222454320079 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1222454451151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222454451181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5934244806 + ... + 5934245011.

It is an arithmetic number, because the mean of its divisors is an integer number (308580735268).

Almost surely, 2^{1222454451151} is an apocalyptic number.

1222454451151 is a deficient number, since it is larger than the sum of its proper divisors (11868489921).

1222454451151 is a wasteful number, since it uses less digits than its factorization.

1222454451151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11868489920.

The product of its digits is 64000, while the sum is 37.

Adding to 1222454451151 its reverse (1511544542221), we get a palindrome (2733998993372).

The spelling of 1222454451151 in words is "one trillion, two hundred twenty-two billion, four hundred fifty-four million, four hundred fifty-one thousand, one hundred fifty-one".