98809221 has 16 divisors (see below), whose sum is σ = 154240128. Its totient is φ = 55084800.

The previous prime is 98809211. The next prime is 98809231. The reversal of 98809221 is 12290889.

It is an interprime number because it is at equal distance from previous prime (98809211) and next prime (98809231).

It is not a de Polignac number, because 98809221 - 2⁶ = 98809157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 98809221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98809211) 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, 56520 + ... + 58241.

It is an arithmetic number, because the mean of its divisors is an integer number (9640008).

Almost surely, 2^98809221 is an apocalyptic number.

It is an amenable number.

98809221 is a deficient number, since it is larger than the sum of its proper divisors (55430907).

98809221 is a wasteful number, since it uses less digits than its factorization.

98809221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114812.

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 98809221 is about 9940.2827424576. The cubic root of 98809221 is about 462.3091529125.

The spelling of 98809221 in words is "ninety-eight million, eight hundred nine thousand, two hundred twenty-one".