20221098 has 8 divisors (see below), whose sum is σ = 40442208. Its totient is φ = 6740364.

The previous prime is 20221087. The next prime is 20221099. The reversal of 20221098 is 89012202.

It is a sphenic number, since it is the product of 3 distinct primes.

20221098 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (20221099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1685086 + ... + 1685097.

It is an arithmetic number, because the mean of its divisors is an integer number (5055276).

Almost surely, 2^20221098 is an apocalyptic number.

20221098 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20221098 is a wasteful number, since it uses less digits than its factorization.

20221098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3370188.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 20221098 is about 4496.7875199969. The cubic root of 20221098 is about 272.4383520730.

The spelling of 20221098 in words is "twenty million, two hundred twenty-one thousand, ninety-eight".