222465577478399 has 16 divisors (see below), whose sum is σ = 230522589918720. Its totient is φ = 214539673420800.

The previous prime is 222465577478377. The next prime is 222465577478411. The reversal of 222465577478399 is 993874775564222.

It is a Cunningham number, because it is equal to 14915280²-1.

It is a cyclic number.

It is not a de Polignac number, because 222465577478399 - 2⁴⁰ = 221366065850623 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 (222465577478329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 641183564 + ... + 641530430.

It is an arithmetic number, because the mean of its divisors is an integer number (14407661869920).

Almost surely, 2^{222465577478399} is an apocalyptic number.

222465577478399 is a deficient number, since it is larger than the sum of its proper divisors (8057012440321).

222465577478399 is a wasteful number, since it uses less digits than its factorization.

222465577478399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535790.

The product of its digits is 12802406400, while the sum is 80.

The spelling of 222465577478399 in words is "two hundred twenty-two trillion, four hundred sixty-five billion, five hundred seventy-seven million, four hundred seventy-eight thousand, three hundred ninety-nine".