221002098 has 64 divisors (see below), whose sum is σ = 470568960. Its totient is φ = 69092352.

The previous prime is 221002097. The next prime is 221002121. The reversal of 221002098 is 890200122.

221002098 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (221002097) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1613086 + ... + 1613222.

It is an arithmetic number, because the mean of its divisors is an integer number (7352640).

Almost surely, 2^221002098 is an apocalyptic number.

221002098 is an abundant number, since it is smaller than the sum of its proper divisors (249566862).

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

221002098 is a wasteful number, since it uses less digits than its factorization.

221002098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371.

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

The square root of 221002098 is about 14866.1393105271. The cubic root of 221002098 is about 604.5962727761.

The spelling of 221002098 in words is "two hundred twenty-one million, two thousand, ninety-eight".