1225531254223 has 2 divisors, whose sum is σ = 1225531254224. Its totient is φ = 1225531254222.

The previous prime is 1225531254217. The next prime is 1225531254253. The reversal of 1225531254223 is 3224521355221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1225531254223 - 2⁹ = 1225531253711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1225531254253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612765627111 + 612765627112.

It is an arithmetic number, because the mean of its divisors is an integer number (612765627112).

Almost surely, 2^{1225531254223} is an apocalyptic number.

1225531254223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1225531254223 is an equidigital number, since it uses as much as digits as its factorization.

1225531254223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 144000, while the sum is 37.

The spelling of 1225531254223 in words is "one trillion, two hundred twenty-five billion, five hundred thirty-one million, two hundred fifty-four thousand, two hundred twenty-three".