221088195 has 24 divisors (see below), whose sum is σ = 392569632. Its totient is φ = 115036800.

The previous prime is 221088173. The next prime is 221088223. The reversal of 221088195 is 591880122.

221088195 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 221088195 - 2¹⁴ = 221071811 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58071 + ... + 61760.

It is an arithmetic number, because the mean of its divisors is an integer number (16357068).

Almost surely, 2^221088195 is an apocalyptic number.

221088195 is a deficient number, since it is larger than the sum of its proper divisors (171481437).

221088195 is a wasteful number, since it uses less digits than its factorization.

221088195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119883 (or 119880 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 221088195 is about 14869.0347702869. The cubic root of 221088195 is about 604.6747745454.

It can be divided in two parts, 22108 and 8195, that added together give a palindrome (30303).

The spelling of 221088195 in words is "two hundred twenty-one million, eighty-eight thousand, one hundred ninety-five".