98622191 has 16 divisors (see below), whose sum is σ = 104552448. Its totient is φ = 92901600.

The previous prime is 98622169. The next prime is 98622233. The reversal of 98622191 is 19122689.

It is a cyclic number.

It is not a de Polignac number, because 98622191 - 2²² = 94427887 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 (98622101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213701 + ... + 214161.

It is an arithmetic number, because the mean of its divisors is an integer number (6534528).

Almost surely, 2^98622191 is an apocalyptic number.

98622191 is a deficient number, since it is larger than the sum of its proper divisors (5930257).

98622191 is a wasteful number, since it uses less digits than its factorization.

98622191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662.

The product of its digits is 15552, while the sum is 38.

The square root of 98622191 is about 9930.8706063467. The cubic root of 98622191 is about 462.0172763290.

The spelling of 98622191 in words is "ninety-eight million, six hundred twenty-two thousand, one hundred ninety-one".