221220002195 has 16 divisors (see below), whose sum is σ = 277044667200. Its totient is φ = 169257711744.

The previous prime is 221220002167. The next prime is 221220002207. The reversal of 221220002195 is 591200022122.

It is a cyclic number.

It is not a de Polignac number, because 221220002195 - 2³⁰ = 220146260371 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 714257 + ... + 976013.

It is an arithmetic number, because the mean of its divisors is an integer number (17315291700).

Almost surely, 2^221220002195 is an apocalyptic number.

221220002195 is a deficient number, since it is larger than the sum of its proper divisors (55824665005).

221220002195 is a wasteful number, since it uses less digits than its factorization.

221220002195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269134.

The product of its (nonzero) digits is 1440, while the sum is 26.

The spelling of 221220002195 in words is "two hundred twenty-one billion, two hundred twenty million, two thousand, one hundred ninety-five".