98622181 has 4 divisors (see below), whose sum is σ = 112711072. Its totient is φ = 84533292.

The previous prime is 98622169. The next prime is 98622233. The reversal of 98622181 is 18122689.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 98622181 - 2⁵ = 98622149 is a prime.

It is a super-2 number, since 2×98622181² = 19452669170393522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 98622181.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7044435 + ... + 7044448.

It is an arithmetic number, because the mean of its divisors is an integer number (28177768).

Almost surely, 2^98622181 is an apocalyptic number.

It is an amenable number.

98622181 is a deficient number, since it is larger than the sum of its proper divisors (14088891).

98622181 is a wasteful number, since it uses less digits than its factorization.

98622181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14088890.

The product of its digits is 13824, while the sum is 37.

The square root of 98622181 is about 9930.8701028661. The cubic root of 98622181 is about 462.0172607133.

The spelling of 98622181 in words is "ninety-eight million, six hundred twenty-two thousand, one hundred eighty-one".