225561267001223 has 4 divisors (see below), whose sum is σ = 231062761318368. Its totient is φ = 220059772684080.

The previous prime is 225561267001207. The next prime is 225561267001261. The reversal of 225561267001223 is 322100762165522.

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

It is not a de Polignac number, because 225561267001223 - 2⁴ = 225561267001207 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 (225561267081223) 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, 2750747158511 + ... + 2750747158592.

It is an arithmetic number, because the mean of its divisors is an integer number (57765690329592).

Almost surely, 2^{225561267001223} is an apocalyptic number.

225561267001223 is a deficient number, since it is larger than the sum of its proper divisors (5501494317145).

225561267001223 is an equidigital number, since it uses as much as digits as its factorization.

225561267001223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5501494317144.

The product of its (nonzero) digits is 604800, while the sum is 44.

The spelling of 225561267001223 in words is "two hundred twenty-five trillion, five hundred sixty-one billion, two hundred sixty-seven million, one thousand, two hundred twenty-three".