221000098 has 16 divisors (see below), whose sum is σ = 361935360. Its totient is φ = 100371600.

The previous prime is 221000071. The next prime is 221000107. The reversal of 221000098 is 890000122.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28948 + ... + 35776.

It is an arithmetic number, because the mean of its divisors is an integer number (22620960).

Almost surely, 2^221000098 is an apocalyptic number.

221000098 is a deficient number, since it is larger than the sum of its proper divisors (140935262).

221000098 is a wasteful number, since it uses less digits than its factorization.

221000098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8313.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 221000098 is about 14866.0720434148. The cubic root of 221000098 is about 604.5944489681.

The spelling of 221000098 in words is "two hundred twenty-one million, ninety-eight", and thus it is an aban number.