1222442215151 has 4 divisors (see below), whose sum is σ = 1248451624032. Its totient is φ = 1196432806272.

The previous prime is 1222442215147. The next prime is 1222442215171. The reversal of 1222442215151 is 1515122442221.

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 1222442215151 - 2² = 1222442215147 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222442215171) 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, 13004704370 + ... + 13004704463.

It is an arithmetic number, because the mean of its divisors is an integer number (312112906008).

Almost surely, 2^{1222442215151} is an apocalyptic number.

1222442215151 is a deficient number, since it is larger than the sum of its proper divisors (26009408881).

1222442215151 is an equidigital number, since it uses as much as digits as its factorization.

1222442215151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26009408880.

The product of its digits is 12800, while the sum is 32.

Adding to 1222442215151 its reverse (1515122442221), we get a palindrome (2737564657372).

The spelling of 1222442215151 in words is "one trillion, two hundred twenty-two billion, four hundred forty-two million, two hundred fifteen thousand, one hundred fifty-one".