221422645175435 has 16 divisors (see below), whose sum is σ = 291537876918240. Its totient is φ = 160103814896640.

The previous prime is 221422645175371. The next prime is 221422645175497. The reversal of 221422645175435 is 534571546224122.

It is not a de Polignac number, because 221422645175435 - 2⁶ = 221422645175371 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11635442150 + ... + 11635461179.

It is an arithmetic number, because the mean of its divisors is an integer number (18221117307390).

Almost surely, 2^{221422645175435} is an apocalyptic number.

221422645175435 is a deficient number, since it is larger than the sum of its proper divisors (70115231742805).

221422645175435 is a wasteful number, since it uses less digits than its factorization.

221422645175435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23270903518.

The product of its digits is 16128000, while the sum is 53.

The spelling of 221422645175435 in words is "two hundred twenty-one trillion, four hundred twenty-two billion, six hundred forty-five million, one hundred seventy-five thousand, four hundred thirty-five".